The Mac Tools High Performance 1/2" Drive Air Impact Wrench, No. MPF990501, offers a proprietary anvil forging process designed for long anvil life. This impact wrench features a removable and rechargeable trigger-activated light (charger included), a variable-speed trigger for speed control, a valve-lever designed for easy speed adjustment, and a forward handle design for comfort and balance. The compact magnesium housing provides lightweight durability, and a muffler pad helps provide noise reduction. This tool weighs 4.8 lbs and is 6.4" long.