The Bosch GBH18V-26 18V 1 In. SDS-plus® Bulldog™ Rotary Hammer consistently outperforms the best-selling 1 In. corded 11255VSR Bulldog™, making it better than the best. It weighs 6.3 Lbs. (tool only, not including battery) and delivers 1.9 Ft.-Lbs. of impact energy (EPTA), for superior performance and impact-to-weight ratio. The brushless motor maximizes battery runtime for extended applications. The hammer has KickBack Control, an integrated sensor to stop tool rotation in bind-up situations. It also has such advanced features as Electronic Precision Control, for smoother bit starts; Vibration Control, for extended user comfort; and Electronic Motor and Cell Protection, to avoid overheating and overload. It has an ergonomic compact design which provides better control drilling into concrete and easier drilling overhead.