The DEWALT DW511 VSR Variable Speed Hammer Drill is a corded electric power tool designed for various drilling tasks. It features a 1/2” chuck size for securely holding drill bits and a keyed chuck type for a reliable connection. The product includes a gearbox and key, making it easy to replace or upgrade parts as needed. With a voltage of 110V, this drill is designed for efficient performance without the need for batteries. Perfect for DIY projects and professional use, the DEWALT DW511 offers convenience and durability for drilling tasks.