The Impulse 1/2" Extended Anvil Impact Wrench from Martins Industries is designed with a lightweight composite body, weighing only 5.2 lbs. and producing 945 lb.-ft. of bursting torque with a max. speed of 8500 rpm. Equipped with a twin-hammer mechanism and four position power regulator, users can switch between power modes and adjust torque output for each task, and its ergonomic handle allows users to change direction with a simple forward/reverse push button for maximum control and performance. The wrench also includes an extended anvil that is 2" longer and designed to reach more inaccessible areas. Usable with flip sockets.