70 piece professional tool set. All tools meet ANSI/SME specifications. High impact plastic case. Includes: 1/4" drive: 16 6 point sockets 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 3" drive extension, 72 tooth quick release ratchet. 3/8" drive, 16 12 point sockets: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 17 mm, 19 mm, 3" extension 72 tooth quick release ratchet, 1/4" male x 3/8" female adapter, 12 combination wrenches: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 10 mm, 12 mm, 13 mm, 14 mm, 15 mm, 17 mm, 8 SAE hex keys with holder. Magnetic Dura-Driver, 12 1" driver bits: Phillips, slotted, Torx and hex.