This Ingersoll Rand air impact wrench combines compact size and high performance, making it ideal for everything from spring work to pinion nut and track pad removal and major engine teardowns. U.S.A. Key Product Specs Drive (in.) 3/4 Average Air Consumption (CFM) 9.5 CFM at Load 38 Speed - No Load (RPM) 5,500 Blows Per Minute (BPM) 1,000 Max. Torque (ft.-lbs.) 1,100 Working Torque (ft.-lb.) 200 - 900 Inlet Size (in.) 3/8 Min. Hose Size (in.) 1/2 Standard Bolt Capacity (in.) 1 Variable Speed Yes Additional Product Specs * Pressure-feed lube for longer tool life * Handle exhaust * Jumbo hammer mechanism