The AIRCAT 1600-TH-A1, 1 in. Composite "Super Duty" Impact Wrench is ideal for bus/large automotive use, large agricultural service vehicles and large bolt assembly. 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's 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 products the #1 Choice in air tools.