The Bosch® rotary hammer delivers 1.9 ft/lb of impact energy, based on the industry standard of measurement agreed upon by the EPTA (European Power Tool Association). Delivering superior performance and an outstanding impact-to-weight ratio. The hammer's EC brushless motor maximizes battery runtime for extended performance. The tool features a job site-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. Max capacity in steel 1/2", in wood 1 1/4", in concrete 1". The kit features a Core 18 V compact battery, which has next-gen Lithium Ion 21700 cell technology for extended performance in a lightweight, high-power battery. The set includes (1) charger (1) auxiliary handle (1) depth gauge (1) carrying case. This product is backed by a 1-year limited warranty.