Our 1-1/8 in. SDS Plus Rotary Hammer with Onboard Dust Extractor gives you all-day performance and OSHA Table 1 compliance. It's an easy, portable solution built to conquer jobsite demands. 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. The included Onboard Dust Extractor has a powerful fan assembly for maximum suction and efficient dust collection. It allows users to drill up to 1 in. diameter, to depths up to 8 in. Install large diameter sleeve, stud/wedge, and screw anchors.