Features and Benefits:Metric size include: 19, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 41, 42, 45, 48 and 50mm;3/4 in. Drive. 12 pts;Made with Carbon Steel;Polished chrome plated finish;Includes: 3/4 in. dr quick release ratchet, 4 and 8 in. extension bars, sliding T-handle, (16) sockets, blow mold case.;21pc Metric 3/4" Dr., 12pt. Socket Set. Made with Carbon Steel. Polished chrome plated finish. Includes: 3/4 in. dr quick release ratchet, 4 and 8 in. extension bars, sliding T-handle, (16) sockets, blow mold case.