The Bahco S530T Pass-Through Socket Set contains sockets made from high performance alloy steel, with a matt chrome plated finish.Supplied in a High Density Polythene (HDPE) case.Contents:13 x pass-through sockets: 10, 11, 12,13, 14, 15, 16, 17, 18, 19, 21, 22, 24mm.1 x pass-through ratchet, with flexible head, 72 teeth/5° action angle.1 x pass-through extension bar: 75mm.10 x ring driver adaptors with hex shank: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17mm.9 x E-TORX® ring driver adaptors: E8, E10, E11, E12, E14, E16, E18, E20, E22.4 x Hex Bits 5/16in x 25mm: 7, 8, 10, 12 mm.4 x TORX® Tamper Bits 5/16in x 25mm: TR40, TR45, TR50, TR55.2 x Hex Bits 1/4in x 25mm: 5, 6mm.4 x TORX® Tamper Bits (1/4in x 25mm): TR20, TR25, TR27, TR30.1 x 19 mm (3/4in) hex drive x 1/4in bit adaptor.1 x 19 mm (3/4in) hex drive x 5/16in bit adaptor.1 x 19 mm (3/4in) hex drive x 3/8in sq. drive adaptor with quick release.1 x 19 mm (3/4in) hex drive x 1/4in sq. drive adaptor, with quick release.1 x 19 mm (3/4in) hex drive x 1/2in sq. drive adaptor, with quick release.