M18 FUEL ½” Hammer Drill Driver is the Industry's Most Powerful Hammer Drill, delivering the capability to drill the largest holes at high speed into the densest materials. Our cordless drill is the Most Compact solution in its class and features AutoStop Control Mode for Enhanced Safety. The Brushless motor delivers the most power under load to complete 2-9/16" Self-Feed holes in dense woods for increased productivity. At only 6.9” in length, this is the most compact cordless drill in its class for the best access and maneuverability in tight spaces. The AutoStop Control Mode offers enhanced safety for the operator by preventing over-rotation in a bind-up with the best reaction time in the industry. The intelligence ensures maximum performance and protects from overloads, heating, and over-discharge.