A castellated socket in 3/4D specifically introduced for Volkswagen Crafter rear hub nuts. Correctly hardened selected steel. Suitable for Volkswagen Crafter rear Hub Nuts (Also fits Mercedes-Benz 511 twin rear wheel models). Equivalent to OEM T50017. 3/4D x 74mm. Also fits Vauxhall, Opel Movano and Renault Master. Equivalent to Vauxhall/Opel OEM number CH-50112 & Mercedes 906 589 00 07 00.