Our parent company, Ko-ken Tools, is a fourth-generation family owned and operated business in Japan, with 140+ employees. The focus of the business is entirely on sockets and socket wrenches. The entire manufacturing process is in-house at Ko-ken, from design to cold forging, heat treat, and plating.
The Ko-ken 1/4" Square Drive T-Handle w/ Multi-Function Wobble Fix and Standard Square, No. 2716WC, is engineered for precision and control. Featuring both Wobble-Fix and Standard...
The Ko-ken 3/8" Square Drive T-Handle w/ Multi-Function Wobble-Fix and Standard Square, No. 3716WC, features both Wobble-Fix and Standard Square drive ends, offering flexibility...
The Ko-ken 1/4" Square Drive 6-point SAE Z-Series 10-pc Socket Set, No. RS2400AZ/10, is engineered for tight and hard-to-reach spaces. The Z-Series sockets feature a thin wall...
The Ko-ken 3/8" Square Drive 6-Point SAE Z-Series 11-pc Socket Set, No. RS3400AZ/11, is engineered for tight and hard-to-reach spaces. Z-Series sockets features a thin-wall, low...
The 3/8" Square Drive Locking Spinner Handle, No. 3769NL-230, from Ko-ken features a spinner handle with a locking function. The shaft length is 120 mm, the handle length is 110...
The 5-pc 1/4" Square Drive Z-Series Universal Nut Grip Socket Set, No. RS2441MZ/5, from Ko-Ken, is designed for non-magnetic nuts/bolts to be held firmly in a 6-point socket. ...
The Ko-ken Impact Wheel Nut Sockets feature a detachable plastic protector that can be fitted to the socket to prevent damage to the wheel when working in tight spaces. Each socket...
The Ko-ken 3-pc 1/2" Square Drive Double-Ended Socket for Damaged Wheel Nuts/Bolts, No. 14219M, is a socket set designed for removing damaged or swollen lug nuts and bolts. The...
The Ko-ken Pinless Double Universal Joints are connected with mutually engaged hexahedrons, which disperse the load across the whole outer circumference of the tool. The ball ...
The Ko-ken Wobble Fix Extension Bars are designed to offer two different secure solutions for holding a socket in place. Wobble-Fix refers to the section of the extension bar ...
The Ko-ken Foam Sets can be dipped in oil or grease and then easily cleaned. The foam used in each Ko-ken Foam Set is called Zotefoam, a closed cell and cross linked polyethylene...
The Ko-ken 72T Z-Series Ratchet combines a low backlash, small size, and has a 10 percent higher torque limit in comparison to the company's 36 tooth ratchet. Whereas the 36 tooth...
The Ko-ken Tools Spark Plug Sockets with Spring Clip is designed to securely grip a spark plug at its hexagonal part by two stainless spring clips. An internal brass guide holds...
The Ko-ken Tools Universal Nut Grip Socket has twin balls at the 6-point opening. This tool is used to hold a bolt or nut tightly for safe and reliable work.
The Ko-ken Tools Nut Setters with Sliding Magnet, No. 115G, provides bolt clearance and magnetic function at the same time. The 115G is mainly designed for assembly-line work....
The Ko-ken Tools Impact Sockets (Thin Walled) series are an addition to the product line. The straight-shaped body allows for deeper access in narrow spaces. The impact sockets...
Koken universal double joint impact swivel sockets, Nos. 13772-P and 14772-P, allow the user to reach into even tighter spots than one regularly can with an impact swivel. This...
Koken Tools USA offers the 3/8" Flexible Head Ratchet with New Head Lock Button. The position of Head Lock Button is moved to side of the joint part to reduce the possibility ...
Koken Tools launched a new line of products with the Z-Series, including various types of sockets and socket sets, ratchets, hinge handles, extension bars, universal joints and...