The Milwaukee® M18 Fuel™ 1" SDS Plus Rotary Hammer Is The Next Generation Of Cordless Rotary Hammers Delivering Ultimate Jobsite Performance and Productivity. The M18 Fuel™ 1" SDS Plus Rotary Hammer Is The Fastest Drilling Rotary Hammer In Its Class, 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 2 FT-LBS Of Impact Energy, 1, 330 RPM, and 4, 800 BPM, Providing S