Nutrunner Drive Size 1 in Square Torque Range 738 to 3 100 ft-lb Max Torque 3 100 ft-lb Free Speed 10 RPM Air Pressure 90 psi Air Consumption 65 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 14 1/4 in Fastening Torque 3 100 ft-lb Reversible Yes Tool Weight 19.4 lb