MILWAUKEE M18 FUEL 1-1/4in SDS Plus D-Handle Rotary Hammer w/ ONE-KEY delivers on the drill speeds normally associated with SDS Max rotary hammers. The hammer drills Faster 3/4in Holes and is Lighter Versus SDS Max rotary hammers, includes AUTOSTOP Control for Enhanced Safety, and can drill up to (25) 3/4in x 4in Holes per Charge when paired with MILWAUKEE M18 REDLITHIUM HIGH OUTPUT XC6.0 Battery. The in-line D-Handle design allows access in tight spaces and provides superior balance and ergonomics for downward drilling. POWERSTATE Brushless Motor delivers 3.65 ft-lbs of impact energy, 810 RPM, and 4,650 BPM, providing the speed and power for the most demanding applications. This hammer provides maximum control and enhanced safety with the AUTOSTOP Kickback Control, preventing over-rotation if the tool binds up while drilling in concrete with rebar or hard aggregate. This tool is compatible with MILWAUKEE M18 FUEL HAMMERVAC 1-1/4in Dedicated Dust Extractor providing on-board OSHA Table One compliance. The AVS Anti-Vibration System reduces vibration for maximum comfort. The cordless rotary hammer is compatible with ONE-KEY to track the tool?s location and manage inventory. The REDLINK PLUS intelligence tool technology ensures maximum rotary hammer performance and protects it from overload, overheating, and over-discharge. The M18 REDLITHIUM HIGH OUTPUT XC6.0 Battery delivers 50 percent more power while running 50 percent cooler than the M18 REDLITHIUM XC batteries (not included).