Aircat 1000TC Nitro Twin Clutch 1/2-Inch DR Impact Wrench Ergonomic designed handle - well balanced and easy gripping for the technician. Lightweight,4.5 lbs. Power and performance all in one NitroCat impact wrench. 1,000 ft. lbs. of loosening torque with 200-800 working torque. Patented tuned exhaust system to keep the noise level at 85 dBA. Composite material housing, lightweight 4.5 lbs.