The D25501K 1-9/16" SDS Max Combination Hammer, with its durable and hard hitting German engineered mechanism, delivers 8 joules of impact energy. The lightest weight hammer in the DEWALT SDS MAX family gives it an ergonomic and compact design. The D255501K is ideally suited for serial drilling of rebar, coring for through-hole for mechanical and electrical applications and chipping in any mid to upper wall and ceiling application.