The Martins Industries Impulse 1/2" LW Impact Wrench, No. MX-LW1, is designed with a lightweight composite body, weighing only 5.2 lbs and produces 944 ft-lbs of torque with a maximum speed of 8500 rpm. Equipped with a twin-hammer mechanism and with the four-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.