Continued advancements in engine designs and structures are producing engines that are more complex and compact. Work environments are being transformed to cater towards increased demands on auto mechanics.

At Ko-ken TOOL CO., LTD., specialist in socket wrench manufacturing, we have been committed to the development of automotive tools that are more suitable by pouring in our passion for perfecting hand tools and utilizing our experience obtained through over half a century of manufacturing to create the Z-series.

“Z” stands for “zeal”. Through their unequaled performance, Z-series tools are certain to become the mechanic’s new standard for the next generation of automotive tools.