The Bosch HDH18301RT 18V EC Brushless Brute Tough 1/2-Inch Hammer Drill/Driver Kit features a tool with professional power for drilling and driving on the job site, including metal and masonry. The HDH18301RT also has KickBack Control, a built-in sensor that stops the rotation of the drill during bit-binding situations, helping to reduce the risk of injury to the user. The hammer drill features a precision clutch, with 25 1 settings, to reduce fastener damage. Powered by Bosch's efficient EC Brushless motor, delivering up to 663 lbs of torque - with a no-load BPM of 0-31,500 and a no-load RPM of 0-2,100 RPM. The drill has an upgraded metal chuck for added durability. It's more comfortable to use, with a sure-grip side assist handle and improved grip zone design. Brutal design a€“ compact hammer drill provides plenty of power Great impact-to-weight ratio a€“ weighs only 5.5 lbs., (with 4.0 Ah battery), yet delivers 0-31,500 bpm Excellent control a a€“ Variable drilling speeds for high speed (0-2,100 RPM) and high torque (0-480 RPM) Quick Charge a€“ Included BC1880 charger charges an 18V 4.0 Ah battery to 80% in 25 minutes and 100% in 35 minutes. Durashield casing - can withstand tough job conditions. Sure-grip side assist handle. Helps prevent slipping and increases control during use. Ergonomic grip area. Soft grip and improved design for better handling and greater comfort. Electronic protection of the engine and the cell. Longer tool and battery life, overload protects Bore Area LED with backlight a€“ illuminates dark areas; provides tool status feedback a€“ Safer Belt Clip a€“ For a more secure grip. Powered by Bosch PRO GUARD Dust Solutions a€“ an end-to-end dust collection system that helps users move toward OSHA 1 silica table compliance includes: (2) 18V 4.0 Ah FatPack 18V BC1880 rapid charger, auxiliary handle, (4) bit tips, magnetic 4-bit holder, belt clip, carry bag.