The NITROCAT 1250-K, 1/2 in. Kevlar Twin Clutch Impact Wrench is ideal for heavy duty frame on medium to heavy duty trucks. This no non-sense hard hitting impact outperforms anything in its class with 1300 ft. lb. of loosening torque. It features the most significant advances in the performance of pneumatic power tools in nearly 30 years. The tool has substantially reduced noise levels while retaining more power and torque. It also incorporates a patented, ergonomically engineered handle design to relieve stress and fatigue on the operator hands, wrists and arms. The tools featured patented tuned exhaust muffler technology, allows discharged air to pass without developing back pressure, thus retaining more power, while significantly reducing noise. More Power - Half the Noise. Our unparalleled commitment to product innovation, high service levels, continued product development and expansion truly make AIRCAT/NITROCAT products the #1 Choice in air tools.