Wera Joker Self-Setting Wrench (7/16” to 1/2” Wrench)
Wera 6004 self adjusting wrench can accept nuts and bolt heads from 7/16” to ½” (10-13mm). It is a compact 6.1” long. The patented automatic and continuous grip of hex screws and bolts automatically adjusts to different size bolt heads. The lever mechanism when gripping avoids slipping and damage. The single arm design along with the ratchet function make this a great tool for confined spaces. Fast and consistent driving without removing the wrench due to its mechanical ratchet function. Back pivoting angle of 30 degrees for easy use in the corner.