KOKEN

KOKEN 3/4" Drive E-Torx Socket — 6425 series, genuine KOKEN tool supplied through the official Korean importer. E-Torx sockets fit external star heads. For internal Torx recesses you need a Torx bit socket instead. An E-Torx socket fits external Torx (star-shaped) bolt heads, found on modern trucks, engines and heavy equipment. The 3/4" drive size covers the larger E-Torx sizes used on high-torque fasteners. Key Features Fits external Torx heads; sizes are marked E18, E20 and so on Star profile drives on the lobes for secure torque transfer Check the E size on the bolt head before ordering Specifications Size / Spec Part No. E18 6425-E18 E20 6425-E20 E22 6425-E22 E24 6425-E24 E26 6425-E26 E28 6425-E28 E30 6425-E30 E32 6425-E32 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request Lead time: please inquire for sizes not in stock

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KOKEN 1/2" Drive Ball Universal Joint, Z-EAL — 4771Z, genuine KOKEN tool supplied through the official Korean importer. Use impact-rated universal joints on impact wrenches. A compact 1/2" square-drive ball-type universal joint from the Z-EAL line. Its short length helps in tight spaces where the socket must be turned at an angle. It suits hand use where every millimeter of length counts. Key Features Compact length helps in confined spaces Allows sockets to be turned at an angle Hand-use joint; not for impact wrenches Specifications Spec Part No. L : 55.8mm 4771Z About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Ball Universal Joint — 4771, genuine KOKEN tool supplied through the official Korean importer. Use impact-rated universal joints on impact wrenches. A 1/2" square-drive ball-type universal joint for turning sockets at an angle. It is used when the fastener is offset from the handle in automotive and machinery work. Key Features Allows angled access to offset fasteners Available in pin and ring retention types Hand-use joint; not for impact wrenches Specifications Spec Part No. Ring type 4771 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Breaker Bar, Z-EAL, 430mm — 4768Z-430, genuine KOKEN tool supplied through the official Korean importer. A 430mm 1/2" square-drive breaker bar from the Z-EAL line. It is used to break loose tight wheel nuts, suspension bolts and machinery fasteners. It complements a ratchet for the initial break-loose. Key Features Hinged head allows angled access around obstructions Long handle for leverage on tight fasteners No ratchet mechanism to wear out Specifications Spec Part No. L : 430mm 4768Z-430 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Extension Bar, Z-EAL — 4760Z series, genuine KOKEN tool supplied through the official Korean importer. A 1/2" square-drive extension bar from the Z-EAL line for reaching recessed fasteners. It is used in automotive and machinery maintenance. Several lengths are offered to suit different reach requirements. Key Features Extends socket reach to recessed fasteners Available in different lengths for different jobs Use the shortest extension that reaches for best control Specifications Size / Spec Part No. 125mm 4760Z-125 250mm 4760Z-250 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Ratchet Handle, Z-EAL, 72 Teeth — 4725Z-(72T), genuine KOKEN tool supplied through the official Korean importer. For breaking very tight fasteners use a breaker bar to protect the ratchet. A 1/2" square-drive ratchet handle from the Z-EAL line with a 72-tooth mechanism. A fine tooth count means a small swing arc, helpful where there is little room to move the handle. Key Features 72-tooth mechanism allows short handle swings Reversing lever switches between tightening and loosening Keep the mechanism clean and lightly lubricated Specifications Spec Part No. L : 253mm 4725Z-(72T) About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Socket, 6-Point, Z-EAL — 4400MZ series, genuine KOKEN tool supplied through the official Korean importer. This is a hand-tool socket; use impact-rated sockets on impact wrenches. A 1/2" square-drive 6-point socket from the Z-EAL line. It is used for hex fasteners in automotive and machinery work, especially where clearance is tight. It is used where a compact socket helps in limited space. Key Features 6-point grip protects the corners of hex fasteners Compact profile helps in confined spaces and engine bays Use with 1/2" drive hand tools Specifications Size / Spec Part No. 8mm 4400MZ-8 10mm 4400MZ-10 12mm 4400MZ-12 13mm 4400MZ-13 14mm 4400MZ-14 16mm 4400MZ-16 17mm 4400MZ-17 19mm 4400MZ-19 21mm 4400MZ-21 22mm 4400MZ-22 24mm 4400MZ-24 27mm 4400MZ-27 32mm 4400MZ-32 30mm 4400MZ-30 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Socket Set, 6-Point, Z-EAL, 21 Pcs — 4285Z, genuine KOKEN tool supplied through the official Korean importer. A 21-piece 1/2" square-drive 6-point socket set from the Z-EAL line with handle and accessories. It is a compact set for automotive and maintenance work. The case keeps all pieces together for travel or site work. Key Features Sockets and drive tools in one case 6-point grip suits standard hex fasteners Check the contents list for your size range Specifications Spec Part No. 21pcs 4285Z About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 3/8" Drive Magnetic Spark Plug Socket, 12-Point (Z-EAL Series) — 3305PZ series, genuine KOKEN tool supplied through the official Korean importer. Check the spark plug hex size before ordering. This Z-EAL series spark plug socket holds the plug with a magnet so it can be removed and installed without dropping it into the plug well. It is used in automotive, motorcycle and small engine service. Key Features Magnetic retention for the spark plug 12-point opening for more fitting angles Thread plugs in by hand first to avoid cross-threading Specifications Size / Spec Part No. 14mm 3305PZ-14 16mm 3305PZ-16 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 3/8" Drive Wing Nut Socket — 3119 series, genuine KOKEN tool supplied through the official Korean importer. Measure the wing thickness and height of your fastener. Wing nut dimensions vary widely. A wing nut socket has a slotted end that grips the wings of a wing nut or wing bolt, so these can be driven with a ratchet instead of by hand. It is used on assembly, panel and equipment work where wing fasteners are fitted in quantity or must be tightened firmly. Key Features Slot engages both wings of the nut or bolt Size is given by the wing dimensions listed for each model Speeds up repeated installation of wing fasteners Specifications Size / Spec Part No. 3*5 3119-3X5 5.5*6 3119-5.5X6 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/4" Drive Ball Universal Joint, Z-EAL — 2771Z, genuine KOKEN tool supplied through the official Korean importer. Use impact-rated universal joints on impact drivers. A compact 1/4" square-drive ball universal joint from the Z-EAL line. Its short length suits tight spaces. It is designed for hand use with small sockets in tight spots. Key Features Short length suits confined spaces and small assemblies Allows sockets to be turned at an angle Hand-use joint; not for impact tools Specifications Spec Part No. L : 29.9mm 2771Z About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/4" Drive Extension Bar, Z-EAL — 2760Z series, genuine KOKEN tool supplied through the official Korean importer. A 1/4" square-drive extension bar from the Z-EAL line for reaching recessed small fasteners. It is available in several lengths. It pairs with the compact sockets and handles in the same range. Key Features Extends socket reach to recessed fasteners Several lengths available for different jobs Keep the detent clean for secure socket retention Specifications Size / Spec Part No. L : 100mm 2760Z-100 L : 150mm 2760Z-150 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/4" Drive Socket, 6-Point, Z-EAL — 2400MZ series, genuine KOKEN tool supplied through the official Korean importer. This is a hand-tool socket; do not use it on impact drivers. A 1/4" square-drive 6-point socket from the Z-EAL line for small hex fasteners. It is used in electronics, machinery and confined assembly work. It is offered in common small metric sizes. Key Features 6-point grip suits small hex fasteners Compact design suits work in tight spaces Hand-use socket; not for impact tools Specifications Size / Spec Part No. 4mm 2400MZ-4 4.5mm 2400MZ-4.5 5mm 2400MZ-5 5.5mm 2400MZ-5.5 6mm 2400MZ-6 7mm 2400MZ-7 8mm 2400MZ-8 11mm 2400MZ-11 12mm 2400MZ-12 13mm 2400MZ-13 14mm 2400MZ-14 10mm 2400MZ-10 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Bit Socket for VW/Audi — ST4027-140, genuine KOKEN tool supplied through the official Korean importer. Confirm the application matches your vehicle before ordering. A 1/2" square-drive specialist bit socket for a fastener used on VW and Audi vehicles. Automotive workshops use it for jobs that require this specific bit profile. It is a specialist tool, best bought when the job calls for it. Key Features Made for a specific VW/Audi fastener application Check the bit profile and length against the job Use with 1/2" drive hand tools Specifications Spec Part No. ST4027-140 ST4027-140 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Diesel Injector Socket, 12-Point — SP4305M-77-27MM, genuine KOKEN tool supplied through the official Korean importer. Injector sockets are application specific; confirm the engine and size before ordering. A 1/2" square-drive 12-point socket for diesel injectors. It is used in diesel engine service for removing and installing injectors in restricted wells. A torque wrench is recommended when refitting injectors to specification. Key Features 12-point opening for the injector fitting Length shown suits deep injector wells Use a torque wrench for installation Specifications Spec Part No. 27mm SP4305M-77-27MM About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Oxygen (Lambda) Sensor Socket, 6-Point — SP4300M-110-22, genuine KOKEN tool supplied through the official Korean importer. Check that the socket design clears the sensor wire on your vehicle before ordering. A 1/2" square-drive 6-point socket for removing and fitting oxygen (lambda) sensors in exhaust systems. It is used in automotive service on the exhaust manifold and downpipe. A dedicated sensor socket avoids damaging the sensor body and its wiring. Key Features 6-point opening for the sensor hex Check sensor hex size before ordering Apply penetrating oil to seized sensors before removal Specifications Spec Part No. 22mm SP4300M-110-22 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Oxygen (Lambda) Sensor Socket, 6-Point — SP4300M.85-22, genuine KOKEN tool supplied through the official Korean importer. Check that the socket design clears the sensor wire on your vehicle before ordering. A 1/2" square-drive 6-point socket for removing and fitting oxygen (lambda) sensors in exhaust systems. It is used in automotive service on the exhaust manifold and downpipe. A dedicated sensor socket avoids damaging the sensor body and its wiring. Key Features 6-point opening for the sensor hex Check sensor hex size before ordering Apply penetrating oil to seized sensors before removal Specifications Spec Part No. 22mm SP4300M.85-22 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 3/8" Drive Socket Rail — RSAL300-3/8, genuine KOKEN tool supplied through the official Korean importer. A socket rail is a bar with clips that holds 3/8" drive sockets in order. It keeps sockets organized in drawers and tool boxes and makes a missing size easy to spot. Key Features Holds 3/8" drive sockets on spring clips along the rail Offered in the rail lengths listed for each model Keeps sizes in order so a missing socket is easy to spot Specifications Spec Part No. RSAL300-3/8 RSAL300-3/8 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Socket Rail — RSAL300-1/2, genuine KOKEN tool supplied through the official Korean importer. This is the rail only; sockets are sold separately. A socket rail with 1/2" square-drive clips for organizing and storing sockets. It keeps sockets in size order in drawers, on walls or in a tool box. Rails also make it quick to check that every socket is back after a job. Key Features Clips sized for 1/2" drive sockets Keeps sets organized and missing sizes easy to spot Rail only; sockets are not included Specifications Spec Part No. RSAL300-1/2 RSAL300-1/2 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/4" Drive Socket Rail — RSAL200-1/4, genuine KOKEN tool supplied through the official Korean importer. This is the rail only; sockets are sold separately. A socket rail with 1/4" square-drive clips for organizing small sockets. It keeps sockets in order in drawers, tool boxes or on a wall. An organized rail saves time hunting for small sockets. Key Features Clips sized for 1/4" drive sockets Makes missing sizes easy to spot Rail only; sockets are not included Specifications Spec Part No. RSAL200-1/4 RSAL200-1/4 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive E-Torx Socket Rail Set — RS4425-7, genuine KOKEN tool supplied through the official Korean importer. E-Torx sockets fit external Torx heads; internal Torx screws need a T-size bit socket. A rail set of 1/2" square-drive E-Torx sockets for external Torx bolt heads. It covers common E sizes found on modern vehicles. Keeping all sizes on one rail speeds up jobs with mixed E-Torx bolts. Key Features Several E sizes organized on a rail Standard length for bolts with clear access Hand-use sockets; not for impact wrenches Specifications Spec Part No. RS4425-7 RS4425-7 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Socket Rail Set, 12-Point — RS4405M-10, genuine KOKEN tool supplied through the official Korean importer. Rail sets come in metric or inch versions; order the system your fasteners use. A rail set of 1/2" square-drive 12-point standard sockets in common sizes. It gives workshops an organized core range for general fastening. A rail keeps sockets in order and quick to identify. Key Features Common sizes organized on a rail 12-point openings allow flexible engagement in tight swing arcs Available in metric or inch sets Specifications Spec Part No. RS4405M-10 RS4405M-10 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Socket Rail Set, 12-Point — RS4405A-10, genuine KOKEN tool supplied through the official Korean importer. Rail sets come in metric or inch versions; order the system your fasteners use. A rail set of 1/2" square-drive 12-point standard sockets in common sizes. It gives workshops an organized core range for general fastening. A rail keeps sockets in order and quick to identify. Key Features Common sizes organized on a rail 12-point openings allow flexible engagement in tight swing arcs Available in metric or inch sets Specifications Spec Part No. RS4405A-10 RS4405A-10 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Socket Rail Set, 6-Point — RS4400M-10, genuine KOKEN tool supplied through the official Korean importer. Rail sets come in metric or inch versions; order the system your fasteners use. A rail set of 1/2" square-drive 6-point standard sockets in common sizes. It is a core set for automotive and machinery maintenance. A rail keeps sockets in order and quick to identify. Key Features Common sizes organized in order on one rail 6-point grip reduces the risk of rounding Available in metric or inch sets Specifications Spec Part No. RS4400M-10 RS4400M-10 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Socket Rail Set, 6-Point — RS4400A-10, genuine KOKEN tool supplied through the official Korean importer. Rail sets come in metric or inch versions; order the system your fasteners use. A rail set of 1/2" square-drive 6-point standard sockets in common sizes. It is a core set for automotive and machinery maintenance. A rail keeps sockets in order and quick to identify. Key Features Common sizes organized in order on one rail 6-point grip reduces the risk of rounding Available in metric or inch sets Specifications Spec Part No. RS4400A-10 RS4400A-10 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Long E-Torx Socket Rail Set — RS4325-7, genuine KOKEN tool supplied through the official Korean importer. E-Torx sockets fit external Torx heads; internal Torx screws need a T-size bit socket. A rail set of 1/2" square-drive long E-Torx (external Torx) sockets. It covers common E sizes for automotive and machinery work. A rail keeps the set organized for workshop use. Key Features Several E sizes organized on one rail Long sockets clear protruding bolts and studs For hand use with 1/2" drive tools Specifications Spec Part No. RS4325-7 RS4325-7 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Deep Socket Rail Set, 12-Point — RS4305M-10, genuine KOKEN tool supplied through the official Korean importer. Rail sets come in metric or inch versions; order the system your fasteners use. A rail set of 1/2" square-drive 12-point deep sockets in common sizes. It gives a workshop an organized range of deep sockets for nuts on long bolts. Rails make it easy to see at a glance if a size is missing. Key Features Common sizes organized on one rail 12-point opening allows flexible engagement on the fastener Available in metric or inch sets; check which you need Specifications Spec Part No. RS4305M-10 RS4305M-10 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Deep Socket Rail Set, 12-Point — RS4305A-10, genuine KOKEN tool supplied through the official Korean importer. Rail sets come in metric or inch versions; order the system your fasteners use. A rail set of 1/2" square-drive 12-point deep sockets in common sizes. It gives a workshop an organized range of deep sockets for nuts on long bolts. Rails make it easy to see at a glance if a size is missing. Key Features Common sizes organized on one rail 12-point opening allows flexible engagement on the fastener Available in metric or inch sets; check which you need Specifications Spec Part No. RS4305A-10 RS4305A-10 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Deep Socket Rail Set, 6-Point — RS4300M-10, genuine KOKEN tool supplied through the official Korean importer. Rail sets come in metric or inch versions; order the system your fasteners use. A rail set of 1/2" square-drive 6-point deep sockets for nuts on long studs and bolts. It is a practical core set for automotive and machinery workshops. Rails make it easy to see at a glance if a size is missing. Key Features Common sizes stored in order on a rail 6-point grip protects hex corners under load Available in metric or inch sets Specifications Spec Part No. RS4300M-10 RS4300M-10 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Deep Socket Rail Set, 6-Point — RS4300A-10, genuine KOKEN tool supplied through the official Korean importer. Rail sets come in metric or inch versions; order the system your fasteners use. A rail set of 1/2" square-drive 6-point deep sockets for nuts on long studs and bolts. It is a practical core set for automotive and machinery workshops. Rails make it easy to see at a glance if a size is missing. Key Features Common sizes stored in order on a rail 6-point grip protects hex corners under load Available in metric or inch sets Specifications Spec Part No. RS4300A-10 RS4300A-10 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Extra-Long Socket Rail Set, 6-Point — 4300M/4-L120, genuine KOKEN tool supplied through the official Korean importer. A rail set of 1/2" square-drive extra-long 6-point sockets. It provides an organized range for reaching nuts on long studs and in deep recesses. It fills the gap where deep sockets fall short. Key Features Extra-long sockets organized on a rail 6-point grip suits standard hex fasteners Hand-use sockets; not for impact wrenches Specifications Spec Part No. 4300M/4-L120 4300M/4-L120 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Bolt Twister Socket Rail Set — RS4129-5-L75, genuine KOKEN tool supplied through the official Korean importer. Twister sockets are for removal; they damage the bolt head and are not for tightening. A rail set of 1/2" square-drive bolt twister sockets for extracting rounded or damaged bolt heads. Internal spiral flutes grip the damaged head as you turn counterclockwise. Several sizes cover the common bolt heads met in repair work. Key Features Removes bolts with rounded or corroded heads Several sizes organized on a rail Use in the loosening direction only Specifications Spec Part No. 1/2SQ RS4129-5-L75 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Ribe Bit Socket Rail Set — RS4027-6-L60, genuine KOKEN tool supplied through the official Korean importer. Ribe, Torx and XZN (triple square) look similar but are not interchangeable. A set of 1/2" square-drive Ribe (polydrive) bit sockets on a storage rail. Ribe fasteners are used in some European vehicles, notably in suspension and drivetrain parts. Keeping the full set on a rail makes the right size easy to find. Key Features Ribe profile differs from Torx and triple square Rail keeps the sizes organized and visible Use hand tools only unless sockets are impact rated Specifications Spec Part No. RS4027-6-L60 RS4027-6-L60 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Torx Plus Bit Socket Rail Set — RS4025-9-IP, genuine KOKEN tool supplied through the official Korean importer. Torx (T) and Torx Plus (IP) are different profiles; match the marking on the screw. A rail set of 1/2" square-drive Torx Plus (IP) bit sockets in common sizes. It is used in workshops servicing vehicles and equipment with Torx Plus fasteners. The rail keeps sizes organized and quick to select. Key Features Common IP sizes organized on a rail Torx Plus profile, not interchangeable with standard Torx Hand-use bit sockets; not for impact wrenches Specifications Spec Part No. RS4025-9-IP RS4025-9-IP About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Torx Bit Socket Rail Set — RS4025-9-L60, genuine KOKEN tool supplied through the official Korean importer. Torx (T) and Torx Plus (IP) are different profiles; match the marking on the screw. A rail set of 1/2" square-drive Torx bit sockets covering common T sizes. It is a practical set for automotive and machinery workshops. The rail keeps sizes in order and quick to select. Key Features Common T sizes in one organized rail Torx profile resists cam-out under load For hand use with 1/2" drive tools Specifications Spec Part No. RS4025-9-L60 RS4025-9-L60 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive One-Piece Hex Bit Socket Rail Set — RS4012M series, genuine KOKEN tool supplied through the official Korean importer. Rail sets come in metric or inch versions; order the system your fasteners use. A rail set of one-piece 1/2" square-drive hex bit sockets. Each hex is integral with its socket, and the rail keeps sizes in order. One-piece construction means no bits to work loose or lose. Key Features One-piece hex bit sockets in common sizes Available in metric or inch versions Organized on a rail for quick selection Specifications Size / Spec Part No. RS4012M-10-L60 RS4012M-10-L60 RS4012M-10-L75 RS4012M-10-L75 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive One-Piece Hex Bit Socket Rail Set — RS4012A series, genuine KOKEN tool supplied through the official Korean importer. Rail sets come in metric or inch versions; order the system your fasteners use. A rail set of one-piece 1/2" square-drive hex bit sockets. Each hex is integral with its socket, and the rail keeps sizes in order. One-piece construction means no bits to work loose or lose. Key Features One-piece hex bit sockets in common sizes Available in metric or inch versions Organized on a rail for quick selection Specifications Size / Spec Part No. RS4012A-10-L60 RS4012A-10-L60 RS4012A-10-L75 RS4012A-10-L75 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Hex Bit Socket Rail Set — RS4010M series, genuine KOKEN tool supplied through the official Korean importer. Rail sets come in metric or inch versions; order the system your fasteners use. A rail set of 1/2" square-drive hex bit sockets in common sizes. It organizes a workshop range for hex socket cap screws. It is a common workshop set for machine and vehicle maintenance. Key Features Common hex sizes organized on a rail Available in metric or inch versions Hand-use bit sockets; not for impact wrenches Specifications Size / Spec Part No. RS4010M-10-L50 RS4010M-10-L50 RS4010M-10-L75 RS4010M-10-L75 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 1/2" Drive Hex Bit Socket Rail Set — RS4010A-10-L60, genuine KOKEN tool supplied through the official Korean importer. Rail sets come in metric or inch versions; order the system your fasteners use. A rail set of 1/2" square-drive hex bit sockets in common sizes. It organizes a workshop range for hex socket cap screws. It is a common workshop set for machine and vehicle maintenance. Key Features Common hex sizes organized on a rail Available in metric or inch versions Hand-use bit sockets; not for impact wrenches Specifications Spec Part No. RS4010A-10-L60 RS4010A-10-L60 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 3/8" Drive Nut Grip Socket Rail Set, 6-Point — RS3450M-8, genuine KOKEN tool supplied through the official Korean importer. This set gathers 3/8" drive nut-holding sockets in common metric sizes on one rail. It suits automotive and equipment technicians who often start nuts in hard-to-reach places, such as under dashboards or behind engine components, where a dropped nut costs time. Key Features Each socket holds the nut for easy starting Common metric sizes organized on one rail Standard length for general nut work Specifications Spec Part No. RS3450M-8 RS3450M-8 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 3/8" Drive Universal Socket Rail Set, 6-Point — RS3440M-8, genuine KOKEN tool supplied through the official Korean importer. This rail set groups 3/8" drive universal 6-point sockets with built-in swivel joints. It gives angled access in common sizes for automotive and machinery work, where fasteners are blocked by brackets, hoses or housings. Key Features Several universal sockets organized on one rail Built-in swivel joints allow angled access 6-point profile grips the flats of the nut Specifications Spec Part No. RS3440M-8 RS3440M-8 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 3/8" Drive Universal Hex Bit Socket Rail Set — RS3430M-6, genuine KOKEN tool supplied through the official Korean importer. This rail set groups 3/8" drive universal hex bit sockets in common metric sizes. It suits technicians who need angled access to socket head cap screws on machinery, engines and fixtures where straight access is blocked. Key Features Several metric hex sizes organized on one rail Built-in swivel joints allow angled access Use with 3/8" drive ratchets and extensions Specifications Spec Part No. RS3430M-6 RS3430M-6 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 3/8" Drive E-Torx Socket Rail Set — RS3425/9, genuine KOKEN tool supplied through the official Korean importer. This rail set collects 3/8" drive E-Torx sockets in common sizes for external Torx bolt heads. It suits technicians working on modern engines and chassis that use these fasteners, keeping the full size run together in a drawer or tool box. Key Features Several E sizes organized on one rail Standard-length sockets for heads without long studs Use with 3/8" drive ratchets and extensions Specifications Spec Part No. RS3425/9 RS3425/9 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 3/8" Drive Socket Rail Set, 12-Point — RS3405M-12, genuine KOKEN tool supplied through the official Korean importer. Several versions are listed. Check metric vs inch and the size range before ordering. This rail set groups 3/8" drive standard 12-point sockets in common sizes on one holder rail. It is a basic kit for automotive and maintenance technicians who want the full mid-size range organized and easy to check. Key Features Several 12-point sockets organized on one rail Check listed sizes; metric and inch sets are offered Use with 3/8" drive hand ratchets and extensions Specifications Spec Part No. RS3405M-12 RS3405M-12 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 3/8" Drive Socket Rail Set, 12-Point — RS3405A-9, genuine KOKEN tool supplied through the official Korean importer. Several versions are listed. Check metric vs inch and the size range before ordering. This rail set groups 3/8" drive standard 12-point sockets in common sizes on one holder rail. It is a basic kit for automotive and maintenance technicians who want the full mid-size range organized and easy to check. Key Features Several 12-point sockets organized on one rail Check listed sizes; metric and inch sets are offered Use with 3/8" drive hand ratchets and extensions Specifications Spec Part No. RS3405A-9 RS3405A-9 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 3/8" Drive Socket Rail Set, 12-Point — RS3400SP-12, genuine KOKEN tool supplied through the official Korean importer. Several versions are listed. Check metric vs inch and the size range before ordering. This rail set groups 3/8" drive standard 12-point sockets in common sizes on one holder rail. It is a basic kit for automotive and maintenance technicians who want the full mid-size range organized and easy to check. Key Features Several 12-point sockets organized on one rail Check listed sizes; metric and inch sets are offered Use with 3/8" drive hand ratchets and extensions Specifications Spec Part No. RS3400SP-12 RS3400SP-12 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 3/8" Drive Socket Rail Set, 6-Point — RS3400M-12, genuine KOKEN tool supplied through the official Korean importer. Two versions are listed. Check metric vs inch before ordering. This rail set collects 3/8" drive standard 6-point sockets in common sizes. It is a core kit for automotive, machinery and maintenance work, keeping the sizes in order in a drawer or tool box. Key Features Several 6-point sockets on one organized rail 6-point profile resists rounding on tight nuts Check listed sizes; metric and inch sets are offered Specifications Spec Part No. RS3400M-12 RS3400M-12 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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KOKEN 3/8" Drive Socket Rail Set, 6-Point — RS3400A-9, genuine KOKEN tool supplied through the official Korean importer. Two versions are listed. Check metric vs inch before ordering. This rail set collects 3/8" drive standard 6-point sockets in common sizes. It is a core kit for automotive, machinery and maintenance work, keeping the sizes in order in a drawer or tool box. Key Features Several 6-point sockets on one organized rail 6-point profile resists rounding on tight nuts Check listed sizes; metric and inch sets are offered Specifications Spec Part No. 3/8SQ RS3400A-9 About KOKENKo-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.Ordering & Shipping Genuine product sourced through the official Korean importer Ships worldwide from South Korea by FedEx International Priority Express Import duties and taxes are payable by the recipient Bulk and trade pricing available on request

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