SUPERIOR IMPACT : Delivers 2.6 Ft.-Lbs. of impact energy (EPTA) for maximum performance in heavy-duty applications in concrete KICKBACK CONTROL TECHNOLOGY : Helps reduce the risk of sudden tool reactions in binding conditions LIGHTWEIGHT, AT ONLY 7.3 LBS. (TOOL ONLY, NOT INCLUDING BATTERY) : Allows for concrete drilling anywhere on the jobsite EFFICIENT BRUSHLESS MOTOR : Maximizes battery runtime in extended applications VARIABLE-SPEED TRIGGER : Allows for accurate bit starting