Secure grip, damage nothing and enable high working speed Thanks to the adjustable parallel jaws, the tool is suitable for several sizes of spanner The required size is automatically set on the hex nut and screw when tightening The integrated lever mechanism securely clamps the hex screw or nut between the jaws, significantly reducing the risk of slipping and damage The ratchet function enables fast and smooth screwing without having to move the tool every time The 1-sided construction combined with the ratchet function and angle prism enables work in tight spaces The adjustable Joker 6004 is the ultimate universal screw tool, self-setting, gripping and ratchet function The cases can be attached to walls, shelves, tool trolleys and the Wera 2go system thanks to Velcro at the back