Power is plenty in this 3/8" drive impact wrench. Composite body provides lightweight design, with low noise output. Sound pressure level, dBA: 85 - silent power. Tuned exhaust efficient power to noise ratio. This is an excellent general purpose impact wrench for engine and transmission work. The patented tuned exhaust muffler technology, in all the tools, allows discharged air to pass without developing back pressure, thus retaining more power, while significantly reducing noise. AIRCAT has innovated through-the-handle exhaust design, which incorporates its revolutionary worldwide patented internal muffler/filter. The benefits include reduced hazards from breathing exhausted air particulates, the elimination of blow-by into the operators eyes and lungs as well as reduce noise. Features and Benefits * Super Clutch twin hammer mechanism delivers maximum torque * Patented Easy Operation Flip lever Forward & Reverse * Assembled in the U.S.A. * Reverse torque: 500 ft./lbs. * Maximum loosening torque: 400 ft./lbs. * Working torque: 50-350 ft./lbs. * Blows Per Minute: 1650 bpm (under load * Free Speed: 10,000 rpm * Average Air Consumption: 4 CFM * Sound Level: 86 dBA * Air Flow Pressure: 90 - 120 psi * Overall Length: 6.75 in (171 mm) * Weight: 2.6 lbs (1.18 kg) Kit Includes * AirCat 1300-TH 3/8-inch Drive Impact Wrench with Black Composite Body