The DeWalt DC233KL is a Heavy-Duty 36V Cordless 1 inch SDS Rotary Hammer Kit With NANO Technology. It features SHOCKS- Active Vibration Control which significantly reduces vibration and increases user comfort and productivity. The compact L-shape design allows access in tight spaces while providing optimal balance to the user. The 2.0 ft-lbs impact energy provides corded power without the cord. DeWalt built high torque; high efficiency motor delivers maximum performance in all drilling applications.