General description Designed for use on cylinder head bolts for Audi, Ford, and Volkswagen vehicles, this Laser Tools Ribe Profile Bit is an essential tool for automotive professionals and DIY enthusiasts alike. Technical specifications Size: M10 x 1/2"D x 140mm long Socket material: Chrome vanadium Bit material: Silicon steel Compatibility and accessories Compatible with cylinder head bolts on Audi and Volkswagen vehicles Also suitable for Ford 1.0L EcoBoost engines