Constructed using Chrome Vanadium steel with a mirror-polished finish, Powerbuilt spin disc ratchets allow you to quickly loosen or tighten a fastener with just one hand. This ratchet features a 42 tooth gear mechanism, a flex-head design that swivels to the perfect working angle and a full-length spiral machined handle which will help keep your grip from slipping while you work. Precision crafted to exceed ANSI standards for quality and performance.