This Ingersoll Rand air impact wrench combines a 6-vane, high-output air motor, through-bolt construction, ergonomic handle and housing design to create a tool with increased power and durability. U.S.A. Key Product Specs Drive (in.) 3/4 Average Air Consumption (CFM) 10 CFM at Load 46 Speed - No Load (RPM) 6,000 Blows Per Minute (BPM) 1,025 Max. Torque (ft.-lbs.) 1,250 Working Torque (ft.-lb.) 300 - 1,000 Inlet Size (in.) 3/8 Min. Hose Size (in.) 1/2 Variable Speed Yes Additional Product Specs * Handle exhaust * Tilt throttle * Enhanced pressure feed lubrication system * Cast aluminum finish