The Milwaukee M18 FUEL 1" SDS Plus Cordless Rotary Hammer Kit (2912-22) is the fastest drilling rotary hammer in its class. It includes AUTOSTOP Control for enhanced safety, and can drill up to (125) 3/8" x 2" holes per charge when paired with the M18 HIGH OUTPUT XC6.0 Battery. The POWERSTATE Brushless Motor delivers you 2 ft-lbs of impact energy, 1,330 RPM, and 4,800 BPM, providing speed and power in the most demanding applications. REDLINK PLUS intelligence tool technology ensures maximum rotary drill performance and protects it from overload, overheating, and over-discharge. The M18 REDLITHIUM HIGH OUTPUT XC6.0 Battery delivers 50% more power while running 50% cooler than the M18 REDLITHIUM XC batteries. This hammer provides maximum control and enhanced safety with the AUTOSTOP Kickback Control. This feature prevents over-rotation if the tool gets bound up while you're drilling in rebar or hard aggregate. The AVS Anti-Vibration System minimizes vibration for maximum comfort.