The Wera Self-Setting Spanner 6004 Joker Medium is a versatile tool designed for both metric and imperial applications. Its innovative self-setting feature automatically adjusts to various screw sizes, ensuring a secure grip without the risk of slippage or damage. The integrated lever mechanism enhances safety and efficiency, while the mechanical ratchet function allows for quick and consistent screwdriving without needing to remove the tool. With a compact design that enables operation in confined spaces, the Joker 6004 is the ultimate solution for all your screwdriving needs.