The Dewalt DCH172D2-GB 18V XR Brushless 16mm SDS+ Rotary Hammer Drill is a powerful and versatile cordless drill designed for DIY projects and workshop use. With a 16mm chuck size, Lithium-Ion battery technology, and a brushless motor, this drill delivers high performance and efficiency. The keyless chuck type and inclusion of 2 batteries make it convenient for various tasks, while the auxiliary handle provides added control and stability. The 18V voltage ensures consistent power output, making it a reliable tool for drilling and hammering applications.