CPX1121: Features: -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. Specifications: -4 positive power settings in ofrward and ultimate power in reverse. Dimensions: -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-1/2" Drive Super Duty Air Impact Wrench. Warranty: -1 yr warranty on material and workmanship.