Designed for heavy-duty demolition, concrete, and masonry work, the DEWALT 60V MAX* 27 lbs. Cordless SDS MAX Chipping Hammer (DCH911) 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 in. chipping range. The 60V MAX* 38 lbs. Cordless 1-1/8 HEX Breaker Hammer (DCH966) delivers up to 40 Joules of impact energy‡ for chipping in mid-to-lower wall and flooring tasks and applications including powered digging, channel creation and slab demolition. The tool delivers up to 1,080 BPM with a chipping range of 1-8 in. Both hammers are designed with wireless tool control and a built-in SHOCKS Active Vibration Control® system for user safety.