The D25416K 1-1/8-inch SDS + Combination Hammer, with its dependable and hard hitting German engineered mechanism, delivers 4.2 joules of impact energy and long life. The durable D25416K with it's fast speed of application and light weight design, makes it ideally suited for drilling for larger diameter mechanical anchors and #3 - #5 rebar plus extended time chiseling. The E-Clutch system provides enhanced control to the user in a bind up situation and can help minimize sudden torque reaction compared to standard clutches alone. The Active Vibration Control technology employed delivers reduced user vibration for less user fatigue and greater productivity.