The Clarke PRO392 features a lightweight, ergonomically shaped handle, all steel body with anti-rust polypropylene casing and super fine adjusting steel ratchet mechanism - all features of this superb 3/8" drive professional ratchet. Ultra smooth 72-tooth ratchet action. 50 ratchet increments for extra fine nut adjustment. Quick socket release with spring ball retention. Positive acting, thumb operated flip reverse lever Overall length 206mm.