The MILWAUKEE M18 FUEL 1/2 in. 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. The 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 in. Self-Feed holes in dense woods for increased productivity. At only 6.9 in. in length, this is the most compact cordless drill in its class for the best access and maneuverability in tight spaces. The MILWAUKEE M18 REDLITHIUM XC5.0 Two Battery Pack delivers up to 2.5X more runtime, 20 percent more power and 2X more recharges than standard lithium-ion batteries. The lithium-ion battery pack features superior pack construction, electronics, and performance providing users more work per charge and more work over pack life than any battery on the market. The rechargeable battery also delivers users with 5.0 amp-hours of runtime.