Aircat NitroCat® 3/8″ Impact wrench ARC1355XL

Through-the-handle exhaust design, which incorporates its revolutionary worldwide patented internal muffler/filter.
Patented ergonomically engineered handle design to relieve stress and fatigue on the operator’s hands, wrists and arms.
Twin clutch mechanism.
Maximum torque: 500 ft./lbs.
Free speed: 10000 RPM.