OTC Tools 7270A 1/2" Drive Locknut Wrench Hi-Shear Retaining Nut Socket is a single item unit with a chrome surface finish. It is a specialty socket with a drive size of 1/2in. and a size of 2-3/8in. od. The socket is designed to fit standard socket types and is used for specialty drive types. It is a hi-shear retaining nut socket that comes with no warranty. The package includes one piece of the OTC Tools 7270A socket.