The Mac Tools 3/8" Drive 12V MAX Impact, Nol BWP038, offers die-cast aluminum for reduced weight and maximum durability, a square-drive anvil with hog-ring for quick and easy socket change, an anti-marring bumper that protects tool and work surfaces from damage, a glass-filled nylon body to withdstand automotive fluids, a one-handed forward/reverse lever and a variable speed switch with electronic brake that provides maximum control. This impact includes a LED work light and an ergonomic forward handle for optimal center of gravity and improved balance, reducing operator fatigue. It is powered by a DeWalt advanced battery and switch technology.