DEWALT D25911K-SDS MAX Corded Brushless 11 Kg Rotary Hammer Drill KitThis 27 LBS. SDS MAX Inline Chipping Hammer quickly breaks down dense concrete with up to 27 Joules of impact energy+. The hammer tackles horizontal and downward chipping for high performance in mid to lower wall and flooring tasks and is ideal for wall breaching, channel creation as well as bushing and scarifying. With up to 1,620 BPM, the hammer has a 1 5 inches chipping range. +According to EPTA Procedure 05 2009. Includes (1) Case Features