The Vevor 1" air impact wrench is built for heavy-duty repair and maintenance work on trucks, trailers, buses, agricultural machinery, and industrial equipment. Its twin hammer mechanism delivers up to 1200 ft-lbs of reverse torque with a 4600 RPM no-load speed for fast loosening and tightening. Dual handles and an ergonomic anti-slip grip help improve control and reduce fatigue during extended use. The aluminum alloy housing and reinforced alloy anvil provide durability for demanding applications.