DescriptionTo prevent drills and screws from wandering in metal, wood, or plastic, use the Automatic Center Punch to mark a dimpled starting point. Quick and easy to use, it delivers an automatic spring-driven strike when it's pressed against a surface. An adjustable allows you to regulate the striking force. The premium brass body has a deeply knurled nonslip surface for sure handling and control.Features- Color: Shown in the pictures. - Material: Brass. - Size: Approx. 1.27 * 1.5 * 1.5cm/ 0.5 * 0.6 * 0.6 inch (LWH). - Marks workpiece with a dimple, creating a starting point that prevents screws and drills from wandering. - Delivers an automatic spring-driven strike when pressed against surface. - Adjustable regulates striking force. - Brass body has a deeply knurled surface for nonslip control.