The Milwaukee M18 FUEL 1/2 in. Hammer Drill with ONE-KEY is the industry's most powerful hammer drill, delivering Up To 60% More Power, is Up To 1.5 in. Shorter Length and delivers Up To 2X Faster Speed Under Heavy Load. The POWERSTATE Brushless Motor produces 1,200 in./lbs. of torque and 2,000 RPMs providing users with fast drilling through demanding applications. At 6.9 in. L, this is the most compact hammer drill in its class, giving users better access in tight spaces. REDLINK PLUS Intelligence tool technology allows for maximum performance while protecting the drill from overloads, heating, and over-discharge. The M18 REDLITHIUM Battery Packs (not included) deliver more work per charge and more work over the life of the packs than competitors. The best-in-class all-metal ratcheting chuck provides increased bit strength and corrosion resistance. With ONE-KEY, users gain the ability to Customize, Track and Manage their tool. Anti-Kickback technology increases user control in bind-up situations and reduces unwanted shut-downs, with the added benefit of sensitivity control and ability to turn on and off based on application. If the tool is ever lost or stolen, its tracking functionality can lock it out to protect the investment.