The DEWALT D21570K-LX Silver Bullet diamond core drill is both heavy duty and high performance. The 2-speed variable gearbox allows for added flexibility when working on wood, metal and concrete with standard drill bits. Safety features include current-limiting overload protection and a clutch for increased user control. The anti-vibration handle with a rubber-coated grip, means that you stay comfortable while operating the tool and a 16mm steel chuck provides excellent bit retention and allows for quick bit changes. The DEWALT D21570K-LX is supplied with its own carry case. 1300W 2-Speed Variable & Reverse 16mm Keyed Chuck Mechanical Safety Clutch All-Metal Gearbox Lock-On Switch Rubber-Coated Grip Hard Start Electronic Brake Replaceable Carbon Brushes 1300W 2-Speed Variable & Reverse 16mm Keyed Chuck Mechanical Safety Clutch All-Metal Gearbox Lock-On Switch Rubber-Coated Grip Hard Start Electronic Brake Replaceable Carbon Brushes