Features: - Surface finish: Chrome plated according to ISO 1456:2009- Ergonomic heavy duty double component handleHow to use the tool:- This tool is made for the installation and removal of XTR ® and Dura Ace bottom brackets and enables easy work without slippage and damageSpecifications:- Length: 350mm - Thickness: 4mm - Wrench size: 3,8mm - Diameter: 37,3mm- Weight: 296g