The STANLEY STMT74862 18pc SAE and Metric 3/8" Drive Mechanics Tool Set offers a 54 tooth pear head ratchets, and features 12 point sockets for added fit and torque. These sockets are designed with a chrome vanadium forged body. Full polished finish. These tools all meet or exceed ANSI specs. Set includes: 3/8" Drive Pear Head Ratchet, 3/8" Drive 6" Extension Bar, 3/8" Drive 12 Point Sockets - SAE - 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 3/8" Drive 12 Point Sockets - MM - 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 17mm.