Snap-on Industrial Brand JH Williams 12-Piece 1/2-Inch drive metric socket and drive tool set are of professional quality, made of high grade chrome vanadium steel. The sockets feature super torque lobular openings for greater turning power without deforming the fastener. They are packed in a rugged compact high density polyethylene case that is strong and durable yet light in weight. The tools include 2 drive tools and 10 shallow 12 point sockets.