Teng M1412 Metric 12 Piece Socket Set on Clip Rail 1/4 Inch Drive Teng Tools 12 Piece, 1/4" Drive, Regular, 6 Point, Socket Set. made from hard wearing Chrome Vanadium Steel with a Satin finish. The 12 sockets come on a clip holder held in place with socket clips. No. of sockets: 12 Socket dimensions: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13.