Bosch RHH181 18-Volt Lithium-Ion Brushless 3/4-Inch SDS-plus Rotary Hammer Bare-Tool Pneumatic Hammer Mechanism: Bosch engineered for maximum performance, lifetime and efficiency Innovative Brushless EC Motor: Same power, but smaller and lighter weight with higher efficiency, less maintenance and longer life 3-Mode Selector: Rotary hammer, rotation only and now with chisel/chip Custom Exact-Fit tool inlays hold individual tools in place with room underneath to store other tool accessories Tool only (battery not included)