Wera 7–10 mm 6004 Joker XS Self-Adjusting Open-End Wrench – Compact, Automatically Adjustable Wrench for Tight Spaces The Wera 6004 Joker XS (part number 05020099001) is a self-adjusting open-end wrench that covers all hex sizes between 7 to 10 mm (1/4' to 3/8'). Designed for fast, tool-free adaptation, this ultra-compact wrench is ideal for working in confined spaces. Its innovative ratcheting mechanism, anti-slip jaws, and 30° return angle make it a highly versatile addition to any professional toolkit. Specifications: Jaw capacity: 7–10 mm / 1/4'–3/8' Length: 117 mm Weight: 75 g Self-adjusting mechanism: Grips hex heads without manual size adjustment Ratcheting function: Enables continuous fastening without lifting the tool 30° return angle: Via internal jaw prism for work in tight spaces Smooth parallel jaws: Prevent rounding of bolts and nuts Hang hole: For easy wall storage Country of origin: Czech Republic Benefits: The Joker 6004 XS eliminates the need for multiple spanner