The Milwaukee® M18 Fuel™ 1-9/16” SDS Max Rotary Hammer Is The First to World 18V SDS Max Cordless Solution. By Utilizing Proprietary M18™ and M18 Fuel™ Technologies, The 1-9/16” SDS Max Rotary Hammer Is Able to Drill As Fast As A Corded SDS Max Rotary Hammer, Deliver Corded Durability, and Provide Over 20 Minutes Of Continuous Chipping. Powerstate™ Brushless Motor Delivers 5 FT-LBS Of Impact Energy For The More Demanding, Heavy-Duty Applications. Including Dry Coring and Medium Duty Chipping In Both Concre