The Snap On YSTMM12 is a high-quality 1/4 drive 12mm deep flank drive socket, designed for use with metric measurements. Made by the reputable brand Snap-on in the United States, this single 6 point socket features a chrome surface finish for durability. Perfect for automotive and industrial applications, this socket is a valuable addition to any garage or workshop for those in need of a reliable and precise tool for fastening and loosening nuts and bolts.