This Craftsman 1/4in Drive 6 Point SAE 5/16in socket is an essential tool for any mechanic. With a lifetime warranty, you can trust in the durability of this socket. It has a standard socket type and a chrome surface finish, made in the United States by a reliable brand. This single item comes in a size of 5/16in and includes only the socket, making it a great addition to any existing socket set. The set or single item category is single, and the tools included are sockets. This socket set is perfect for automotive tools and supplies and hand tools, so don’t hesitate to add it to your collection.