Includes 10mm, 15mm, 17mm, 7/16", 1/2", 9/16" in impact socket and blow-molded case. Remove and replace stubborn lug nuts. Impact action helps loosen rusted bolts. Ideal for small fasteners, engines, carburetors, ignitions, car body panels and oil changes. Forward/reverse metal throttle lever for quick action. 75 ft/lb (foot/pound) torque. Swivel inlet. 10,000 max RPM (revolutions per minute). Requires 2.4 SCFM (standard cubic feet per minute) at 90 psi (pounds per square inch). 1 year limited warranty.