The Matco Tools Silver Eagle CR10TSEA is a 1/2″ drive, 10-inch quick-release standard ratchet featuring a durable 72-tooth gear mechanism. Built with a hardened chrome-vanadium steel alloy and a mirror-chrome finish, it provides a low swing arc for tighter spaces Product Specifications:Drive Size: 1/2 inch Length: 10 inches Tooth Count: 72 teethMechanism: Quick-release, standard, and repairableMaterial: Hardened chrome-vanadium steel alloy with mirror polish finishMatco Part Number: CR10TSEA