The Martins Industries Impulse 1" LW Impact Wrench, No. MX-LW2, is durable and strong enough to withstand heavy use. It's designed for truck tires and heavy duty jobs requiring hard hitting impact blows from a compact, lightweight tool. The tool reaches a maximum torque of 1,800 ft-lbs at a maximum speed of 6,000 rpm. Equipped with a twin-hammer mechanism and with the three-position power regulator, users can seamlessly switch between power modes and adjust torque output for each task. With its ergonomic handle, the impact wrench lets users change direction with a simple forward/reverse push button for maximum control and performance.