Innovative no-hammer clutch system. Accurate thread fastening works with patented clutch. Built-in air regulator. Superior power-to-weight ratio. Low noise level and minimum air consumption designed for super heavy-duty industrial applications. Square Drive (in.) 1-1/2 Bolt Capacity (in.) 2 Anvil Retainer Type Hole Max Torque (ft./lbs.) 3,400 Free Speed (RPM) 3,000 Air Pressure (PSI) 90 Air Consumption (CFM) 44 Air Inlet (NPT/in.) 1/2 Air Hose (ID/in.) 3/4 Vibration Value (m/s2) 8.3 Overall Length (in.) 16 Ship Weight Each (lbs.) 34 Carton Pack 1