Draper Diesel Injector Repair Set (8 Piece)This common rail (CR) diesel injector repair kit includes tools for loosening and removing internal fixings from Bosch, Denso and Siemens injectors. It includes injector ball valve lapping tools and a guide. The tools are made from chrome molybdenum steel with a black phosphate finish, and chrome vanadium steel with a satin chrome finish. The set includes an internal fixing removal tool for Siemens and Denso CR injectors, plus an eight sided socket