The Milwaukee M18 FUEL™ 1/2" 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. Milwaukee's cordless drill is the Most Compact solution in its class and features AutoStop™ Control Mode for Enhanced Safety. The POWERSTATE™ 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 REDLINK PLUS™ intelligence ensures maximum performance and protects from overloads, heating, and over-discharge. The Milwaukee M18™ REDLITHIUM™ battery packs deliver more work per charge and more work over the life of the pack when compared to competitors. The all metal ratcheting chuck is the best-in-class. This provides increased grip strength, durability, and corrosion resistance.