The Milwaukee 2906-20 M18 FUEL 18V 1/2" Hammer Drill/Driver with ONE-KEY is a powerful cordless tool designed for various drilling applications. With a length of 11 inches, height of 9 inches, and width of 4 inches, this hammer drill is compact and easy to handle. Operating on an 18V battery, this tool delivers reliable performance for driving and drilling tasks in the home, workshop, or garden. The inclusion of the ONE-KEY feature adds convenience and versatility to this high-quality Milwaukee product.