Milwaukee Tool’s M18 FUEL 1" SDS Plus rotary hammer with dust extractor kit is the next generation of cordless rotary hammer drills delivering ultimate jobsite performance and productivity, the manufacturer notes. The 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, Milwaukee adds.