For working on the pressure nuts on nozzle holders of truck or bus diesel injectors. Set contains: 1 pc Hex 32mm x 70mm x 4 teeth (with M14 x 1.5 receiver thread) for Mercedes-Benz, Neoplan and Setra. 1 pc 1/2"Dr. x 72mm x 4 teeth for Mercedes-Benz. 1 pc Hex 32mm x 120mm x 4 tooth for MAN and Mercedes-Benz. 1 pc 1/2"Dr. x 120mm x 3 teeth for MAN and Mercedes-Benz. Also suitable for some Iveco, Scania and Renault commercial vehicles.