One hand push button forward/reverse power regulator. 4 positive power settings in forward and ultimate power in reverse. Handle exhaust with 360º air inlet swivel to prevent hose kinksNew comfortable contoured handle gripIdeal for spring work, truck and bus maintenance, farm machinery and construction equipment. 3/4" square drive. 150-700 ft./lbs. working torque, 1000 ft./lbs. max torque. 900 blows per minute, 4200 RPM Produces 98.3 dB of noise. 6 cfm average air consumption, 24 CFM actual air consumption @ load. 3/8" air inlet, 1/2" min hose size.