Twin hammer clutch provides superior torque. Variable speed teasing throttle. Single handed operation for forward and reverse direction changes. Front exhaust. Square Drive (in.) 1/2 Bolt Capacity (in.) 5/8 Anvil Retainer Type Ring Max Torque (ft./lbs.) 407 Free Speed (RPM) 6,500 Air Pressure (PSI) 90 Air Consumption (CFM) 23 Air Inlet (NPT/in.) 1/4 Air Hose (ID/in.) 3/8 Vibration Value (m/s2) 3.2 Overall Length (in.) 7 Ship Weight Each (lbs.) 7 Carton Pack 1