Our 1-1/8 in SDS plus rotary hammer kit delivers high performance with low vibration and a lightweight design for working all day. It's built to meet the demands of professional contractors. The durable German-engineered hammering mechanism delivers 3.5 J of impact energy, giving you the speed to get through jobs fast. Shocks active vibration control reduces vibration felt at the handles for less user fatigue. With hard-hitting power, fast drilling speed and a balanced design, this hammer is ideally suited for large diameter hole drilling in the hardest concrete. Make this tool an OSHA table 1 compliant solution when paired with our DWH304DH onboard dust extractor.