This mechanic-style set features 48 SAE and metric 1/4" 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. The key and 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 13 shallow metric sockets, 10 shallow SAE sockets, 3 driver extension bars, 19 specialized bits and a 1/4" bit driver. This set comes with Craftsman's full lifetime warranty.