This Bosch D-handle Bulldog hammer consistently outperforms the best-selling 1 In. corded 11255VSR Bulldog , making it better than the best. The GBH18V-26DK15 18V EC Brushless SDS-plus Bulldog 1 In. Rotary Hammer Kit features a hammer that delivers 1. 9 Ft. -Lbs. of impact energy, based on the industry standard of measurement agreed upon by the European Power Tool Association (EPTA). It weighs only 5. 8 Lbs. (tool only, not including battery), delivering superior performance and an outstanding impact-to-weight ratio. The kit features a CORE18V Compact Battery, which has next-gen Li-ion 21700 cell technology for extended performance in lightweight, high-power battery. The hammer’s EC Brushless motor maximizes battery runtime for extended performance. The tool features a jobsite-proven D-handle design with soft-grip and is ideal for overhead, horizontal and downward drilling applications. It also has Kickback Control, an integrated sensor to stop tool rotation in bind-up situations. The hammer features a variable-speed reversing trigger for accurate bit starting.