The Wera 6004 Joker XXL open-end wrench is a universal, self-adjusting tool for hexagonal screws and nuts. Thanks to its continuously adjustable jaw, integrated lever mechanism, and ratcheting function, it can perform fast, safe, and damage-free work on multiple metric and imperial sizes (10–13 mm / 7/16“–1/2“). Special features: Self-adjusting open-end wrench with ratcheting function, adjustable parallel jaws for multiple sizes, secure gripping without damaging screws or nuts, return angle of only 30° due to corner prisms in the jaw, one tool replaces multiple open-end wrenches in metric and imperial sizes, 1-sided construction allows working in tight spaces, hanging hole for easy storage. Technical data: Length: 400 mm, Width: 60 mm, Height: 20 mm, Weight: 769 g. Standard delivery includes: 1x 6004 Joker XXL open-end wrench.