Extra short Impact sockets - have the usual sizes easily available

The extra short Impact sockets allow you to work in hard-to-reach places. This set is composed of 10 6-point extra short, thin-walled Impact sockets.

Set of tap holders - the right tools at hand

Take advantage of this new set of 10 pieces. The taps are held securely by the 2-fold ball holder. The inner square of the tap holders is manufactured according to DIN: DIN352, DIN351, DIN 2181 and DIN2181.
The supplied ratchet has clockwise and counterclockwise rotation.

This very useful set contains 8 tap holders, a reversible rachet and an extension bar.


Enjoy a set of nut setters with magnet DIN 3126 E 6.3

Available individually, the nut setters with magnet are now also offered as a set of 7 pieces in an easy-to-carry case. The transparent cover makes it simple to quickly identify the box contents. The set includes 7 mm, 8 mm, 10 mm, 12 mm, 13 mm, 1/4" and 3/8" nut setters.


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.