This Ingersoll Rand air impact wrench redefines the 3/4in. category as the lightest, most compact impact tool in the auto industry. U.S.A. Drive (in.): 3/4, Average Air Consumption (CFM): 9.5, Speed - No Load (RPM): 7,250, Max. Torque (ft.-lbs.): 1,200, Variable Speed: Yes, Tool Length (in.): 8 3/16, Tool Weight (lbs.): 7.5