Torque Wrench Drive Size 1 1/2 in Square Torque Range 8 000 ft-lb Max Torque 8 000 ft-lb Free Speed 7 RPM Air Pressure 90 psi Air Consumption 30 cfm Power Source Air Powered Max Air Pressure 90 psi Min Air Pressure 20 psi Min Hose Size 1/2 in Exhaust Location Bottom Duty Rating Industrial Duty Air Inlet 1/2 in NPT Handle Type Pistol Grip Handle Material Aluminum Housing Material Aluminum Max Bolt Capacity 2 1/2 in Overall Length 12 in Fastening Torque 8 000 ft-lb