This Facom ratchet has a 3/8in Drive to fit 3/8in sockets and extensions. With a comfortable and non-slip shaped handle, the ratchet ensures excellent grip. Its palm control system allows easy reversal even with gloves or greasy hands. The mechanism has 72 teeth giving 5 degree increments, and the ratchet has a satin chrome finish. Performance: Conforms to ISO 3315, DIN 3122 and NF ISO 3315.