Made of plated Chrome Molybdenum industrial drop forged, heat treated 45 steel. Comes in a plastic blow molded case Includes: (1) Reversible ratchet , (1) Flexible bar: 20", (2) Extension bars: 4" and 8", and (16) Sockets 3/4" Drive: 7/8", 15/16", 1", 1-1/16", 1-1/8", 1-3/16", 1-1/4", 1-5/16", 1-3/8", 1-7/16", 1-1/2", 1-5/8", 1-3/4", 1-13/16", 1-7/8" and 2". Net weight: 29 lbs.