GEARWRENCH mechanics tools have all been designed with the professional user in mind to increase productivity, access, and strength. The ratchets, sockets, and wrenches are made from premium alloy steel and feature a full polish chrome finish. The 80972 is a 243 piece 1/4 in., 3/8 in. And 1/2 in. Drive set that features 12 point sockets in both SAE and metric sizes. Also included in the set are 84 tooth ratchets In 1/4 in., 3/8 in. And 1/2 in. Drives, various drive tools, 12 point combination wrenches and bit sockets. The set is furnished in a 3 drawer blow mold storage box for storage and organization.