The D25481K 1-9/16" SDS Max Combination Hammer, with its durable and hard hitting German engineered mechanism delivers 6 joules of impact energy for fast drilling, even in the hardest concrete. The light weight design makes it ideally suited for horizontal serial drilling for No. 4 - No. 8 rebar, coring and chipping in any mid to upper wall and ceiling application. The Active Vibration Control technology employed delivers reduced user vibration for less user fatigue and greater productivity.