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 for Bosch CR injectors. Supplied in a sturdy plastic storage case.