The center punch's force can be adjusted with the cap, no need to use a hammer. Made of material for durable use. One-handed spring-loaded impact operation, no hammer required. The automatic center punch marks, scores, punches, and starts holes for drilling, nailing, or screwing. Can be used in an emergency in a vehicle as a tool for breaking side windows. Description To prevent drill bits and screws from wandering into 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-loaded strike when pressed against a surface. An adjustment allows you to regulate the striking force. The premium HSS body features a deeply knurled, non-slip surface for secure handling and control. Features Number of Products: 2 Pieces Color: Black + Gold Size: The total length is about 130mm, the shank diameter is 12.7mm, and the punch needle head diameter is about 0.6mm. The diameter of the head cap with cap is about 28 mm. - Material: HSS - The center punch force can be adjusted through the cap, no need to use a hammer. - Made of material for durable use. - One-handed spring impact operation, no need to use a hammer. - The self-centering punch allows you to mark, scribe, punch, and start drilling, nailing, or screwing holes. - Can be used in an emergency in a vehicle as a tool for breaking side windows. Package includes 2 x Center Punch Toolladace