The 33 pc. 1/2-in. Drive Mechanics Tool Set comes equipped with a low profile 1/2-in. 72-tooth ratchet with a 5° arc swing and up to a 10% thinner head* that helps deliver greater access in confined spaces. Includes an assortment of 12-point sockets and drive tools 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 CMMT81749