The product is a 1/4″ Craftsman CMMT46663 Hex Allen Bit with a 3/8-in drive size, designed for use with shallow sockets. It is a single item and has a chrome surface finish. The socket is standard type and follows the SAE system of measurement. This high-quality tool is backed by a lifetime warranty and is a reliable choice for automotive maintenance and repair tasks. Made in Taiwan, this individual socket from Craftsman is a versatile addition to any toolbox.