Tackle the tough jobs with the power and speed of this true workhorse. Patented clutch provides smooth operation and extreme durability. One hand push button forward/reverse power regulator. 4 positive power settings in forward and ultimate power in reverse. Compact design with comfortable contoured handle For use on heavy automobile and light truck applications. Working torque: 50-450 ft./lbs.; maximum torque: 625 ft./lbs.; blows per minute: 1320; free speed: 6400 RPM; average air consumption: 5.5 cfm; air inlet thread: 1/4 NPTF; minimum hose size: 3/8 sound dBA: 96; length: 7; weight: 5.25 lbs.