Nutrunner Drive Size 1 in Square Torque Range 520 to 1 900 ft-lb Max Torque 1 900 ft-lb Free Speed 10 RPM Air Pressure 90 psi Air Consumption 48 cfm Power Source Air Powered Max Air Pressure 91 psi Min Air Pressure 28 psi Min Hose Size 1/2 in Exhaust Location Bottom Duty Rating Industrial Duty Air Inlet 3/8 in NPT Handle Type Pistol Grip Handle Material Aluminum Housing Material Steel Overall Length 12 in Fastening Torque 1 900 ft-lb Reversible Yes Tool Weight 11.2 lb