Ko-Ken Japanese Sockets, Ratchets & Drive Tools

Shop Ko-Ken tools for professional automotive, mechanical and industrial fastening work. Ridge Toolbox carries Ko-Ken sockets, ratchets, socket sets, bit sockets, drive adapters, spinner handles, specialty automotive sockets and related drive accessories in metric and SAE sizes across multiple square-drive sizes.

Socket Sets, Bit Sockets & Specialty Automotive Tools

Build out your toolbox with individual sockets and sets, hex bit sockets, TORX® bit sockets, XZN triple-square bit sockets, O2 sensor sockets, fuel-system service sockets and other specialty fastening tools. The collection also includes pins, O-rings, C-rings and supporting hardware for compatible socket applications.

Ko-Ken Z-Series & Professional Ratchets

Browse compact Ko-Ken Z-Series bit sockets along with ratchet handles, ratchet adapters and other drive tools for work where access and tool control matter. With thousands of Ko-Ken products available, this collection makes it easier to match drive size, fastener profile and application in one place.