The DEWALT DCH133 20V MAX SDS Plus 1 Inch Cordless Rotary Hammer is a powerful and versatile tool designed for various drilling tasks. This rotary hammer drill features a brushless motor and lithium-ion battery technology, providing efficient performance and long-lasting power. With a 1-inch chuck size and SDS-plus chuck type, it is compatible with a range of bits for versatile use. Additionally, the tool has an auxiliary handle for improved control and maneuverability, making it a reliable option for both DIY enthusiasts and professionals.