The Milwaukee M18FH-0 FUEL™ 4-mode SDS+ Hammer is a powerful cordless rotary hammer drill designed for versatility and durability. It delivers 2.5J of impact energy and features four operational modes: rotary hammer, hammer only, rotation only, and selectable work position of the chisel (Variolock). The AUTOSTOP™ technology prevents sharp movements in bind-up situations, protecting the user. Its all-metal gear case ensures optimal gear seating for enhanced tool life. This 18V cordless hammer drill is part of the M18 FUEL™ series, utilizing a POWERSTATE™ brushless motor and REDLINK PLUS™ electronic intelligence for superior power, run time, and durability. It is compatible with M18FCDDEXL or M18FDDEXL dust extractors. Requires an M18 battery, which is not included. SDS plus fitting with a 26mm maximum capacity in concrete.