This mechanic-style set features 83 SAE and metric 1/4" - 3/8" parts for all your household and automotive needs. Each socket has large markings for a quick size identification. The 72-tooth ratchet offers minimal arc swing when fastening, while the hex sockets offer increased torque with the fastener. Sockets are covered with a fully polished chrome finish for superior corrosion resistance. Moreover, a compact and molded storage case makes it easy to transport tools and gives them an exceptional durability. In addition to the ratchet driver, this kit includes 19 shallow 1/4" sockets, 2 driver extension bars, 20 shallow 3/8" sockets, 10 deep 3/8" sockets and 16 short arm hex keys. This set comes with Craftsman's full lifetime warranty.