Features and Benefits:

• 1/2", 3/8" and 1/4" drive 72 gear teeth quick release ratchets
• Flat panel, full polish SAE and Metric combination wrenches
• 1/2", 3/8" and 1/4" drive, chrome vanadium standard and deep sockets
• SAE and Metric hex keys
• Durable storage case

Channellock 171 piece Mechanic's Tool Set includes; 1/4", 3/8" and 1/2" drive 72 teeth ratchets, 20 1/4" sockets, 35 standard and deep 3/8" sockets, 12 1/2" sockets, 2 spark plug sockets, 3" extension, magnetic bit driver, 40 phillips, slotted, torx, pozi, square and hex driver bits, 20 SAE and Metric nut driver bits, 18 SAE and Metric hex keys, 12 SAE and Metric combo wrenches, 1 magnetic tray and durable storage case.