Klutch Impact Socket Set - 94-Pc., 3/8in.- & 1/2in.-Drive Made of high-quality chrome molybdenum steel Manganese phosphate finish fights corrosion Impact-grade toughness designed for high-torque applications (19) 6-pt. 3/8in.-drive regular impact sockets: 5/16in., 3/8in., 7/16in., 1/2in., 9/16in., 5/8in., 11/16in., 3/4in. ; 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm (19) 6-pt. 3/8in.-drive deep impact sockets: 5/16in., 3/8in., 7/16in., 1/2in., 9/16in., 5/8in., 11/16in., 3/4in. ; 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm