Dewalt D25832K 16 Lbs. Sds Max Chipping Hammer KitDewalt D25832K Features 10. 5 joules of impact energy for fast and efficient chipping, even in the hardest concrete. The SHOCKS Active Vibration Control system reduces vibration felt by the user at the handles, compared to rotary hammers without this feature. 7 position variable speed control for precision chipping. Constant speed electronics allows the tool to maintain speed under load. The Tag Ready feature lets users and companies attach the DEWALT