The 48 pc. 1/4-in. Drive Mechanics Tool Set comes equipped with a 1/4-in. low profile 72-tooth ratchet with a 5° arc swing and up to a 25% thinner head* that helps deliver greater access in confined spaces. Includes an assortment of 6-point sockets, bit sockets, and drive tool accessories, packed in a durable blow mold case. The case is constructed with metal hinges and designed to fit into CRAFTSMAN® metal storage boxes for easy organization. Proudly backed by a Full Lifetime Warranty. *As Compared To CMMT81747