General description A castellated socket in 3/4" drive specifically designed for Volkswagen Crafter rear hub nuts. This tool is also compatible with Mercedes-Benz 511 twin rear wheel models, as well as Vauxhall, Opel Movano, and Renault Master vehicles. Technical specifications Drive size: 3/4" Socket size: 74mm Material: Chrome molybdenum (SCM440) Finish: Black phosphate Compatibility and accessories Volkswagen Crafter rear hub nuts Mercedes-Benz 511 twin rear wheel models Vauxhall/Opel OEM number CH-50112 Mercedes OEM number 906 589 00 07 00 Opel Movano Renault Master