DESC: Heavy-duty jobs need heavy-duty tools, and they don't come much tougher than this 10 amp demolition hammer with SDS-max bit system. Packing a ferocious 5.9 ft./lbs. of impact energy, this hammer can smash its way through whatever obstacles you put in its path. The tool's SDS-max tool holder gives you access to the largest-possible assortment of Bosch steel accessories to help you complete every job you take on.