The D25481K 1-9/16 in SDS max combination hammer, with its durable and hard hitting German engineered mechanism delivers 6 J of impact energy for fast drilling, even in the hardest concrete. The lightweight design makes it ideally suited for horizontal serial drilling for #4 to #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.