wera 6004 joker l self adjusting open end wrench 020101

wera 6004 joker l self adjusting open end wrench 020101Many users want a universal tool for screw joint work that covers as wide an area of application as possible. It should be a single tool for multiple sizes, both metric and inch, that is capable of automatically adapting to different screw sizes. It should also grip the screw securely, not cause damage and allow high speed in work. Thanks to the continuously adjustable and parallel jaws, different individual sizes of open end wrenches can be replaced.