1-1/8” 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 joules 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. Optimized ergonomic design provides excellent control in all orientations. Make this tool an OSHA Table 1 Compliant solution when paired with our DWH304DH Onboard Dust Extractor.