The Milwaukee® M18 FUEL™ 1-3/4 in. SDS max rotary hammer w/ ONE-KEY™ has the power of a 15 A corded rotary hammer with a 1-3/4 in. capacity, 8.1 ft-lbs of impact energy, 380 RPM, and 2,900 BPM. The cordless rotary hammer is designed for the professional user, allowing ultimate power, control, safety, and productivity. The POWERSTATE™ brushless motor delivers 8.1 ft-lbs of impact energy. REDLINK Plus™ intelligence tool techNlogy ensures maximum performance and protects it from overload, overheating, and over discharge. The M18 REDLITHIUM™ HIGH OUTPUT™ HD12.0 battery delivers unmatched run-time. It allows the SDS-Max hammer drill to chip 1/2 ton of material per charge, working harder for longer. The full feature hammer delivers maximum control and enhanced safety with the AUTOSTOP™ E-Clutch. This prevents over-rotation in case the tool gets bound up while being used in drilling rebar or hard aggregate applications. Competitive tools can rotate up to 360 degrees while the Milwaukee rotary hammer will stop rotating at 45 degrees. This ensures users work safer and have more control while on the job. The cordless rotary hammer is compatible with ONE-KEY™, wirelessly connecting to smart phones to track and manage the tool performance and location. ONE-KEY™ integrated tool tracking gives full visibility over how and where tools are being used across a network of jobs and users.