For all types of plumbing and locksmith work: unscrewing pipes, fittings, screws, etc. The long handle allows you to use high forces, the compact design allows you to work in hard-to-reach places. The wrench allows you to grip all kinds of round objects, as well as grip nuts. Finish: black oxidized. Protection against corrosion. Material: chrome vanadium steel. The jaws are induction hardened.