Wera Joker Self-Setting Spanner Wrench, XXL is the universal screwdriving tool designed to meet the needs of users who require versatility and efficiency in one device. This innovative wrench automatically adjusts to fit a wide range of metric and imperial screw sizes, eliminating the need for multiple tools. Its continuous and parallel jaws replace several single spanner dimensions, allowing for seamless and precise gripping of hexagon bolts and screws. The integrated lever mechanism securely clamps fasteners between the jaws, greatly reducing the risk of slipping or damage during use. Featuring a mechanical ratchet function, it enables fast and consistent screwdriving without the need to remove the wrench, while the corner-width rectangular prisms allow for a minimal return angle of just 30°, making it for working in confined spaces. The single-arm design combined with the ratchet function enhances maneuverability and speed, making the Wera Joker 6004 an indispensable tool for any professional or DIY enthusiast seeking reliability and convenience. Model Number: 6004