This vintage Snap On FA12A 3/8" Drive 3/8" Hex Allen Socket is a single item that is perfect for automotive repairs and other hand tool applications. Made in the USA, this socket features a standard socket type and a hex/allen drive type. The surface finish is chrome, and the tool is measured at a drive size of 3/8in. With the number of pieces being 1, this socket is a great addition to any mechanic's tool collection. The manufacturer part number is FA12A. Buy this high-quality tool today and get the job done efficiently!