The Bosch Professional SDS Hammer Drill is a powerful corded electric tool designed for heavy-duty tasks. With a voltage of 110V and a power range of 501-1000W, this hammer drill offers reliable performance for drilling into concrete, steel, and other tough materials. The keyless chuck type allows for easy bit changes, while the auxiliary handle provides additional control for precise drilling. This set includes a case for convenient storage and transport, making it a versatile and essential tool for DIY enthusiasts and professionals alike.