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.