The Jonnesway 17pc 1/2" Super Duty Impact Wrench Kit includes the JAI-1054L, a super duty ½" drive air impact wrench with the Jonnesway exclusive twin hammer mechanism. The wrench has the 2" extended shank for use with both standard and metric flip sockets. The twin hammer clutch mechanism and efficient air motor deliver almost 1000 ft/lbs reverse torque. The kit includes a JAI-1054 impact wrench; a 10-piece CR-MO socket set; a CR-MO 125mm extension bar; a mini oiler; a 4mm hex key wrench; a 1/4" air nipple; an oil pot; and a blow case.