Channellock 171 piece Mechanic's Tool Set includes; 14 , 38 and 12 drive 72 teeth ratchets, 20 14 sockets, 35 standard and deep 38 sockets, 12 12 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