Center punch allows you to do the punching efcompatibletlessly without using a hammer. You simply push down with your hand and the strong spring action strikes the punch. Providing a more sharp tip, the center punch allows compatible a precise starting point, improving your work efficiency. It is made of high-quality steel and aluminum alloy material. The length of the product is 13.2cm, the width is 1.3cm, the height is 1.3cm. It is suitable compatible punching steel plate, glass, wood, plastic, and other materials. Also, it can be used to break windows in emergency. Item Name: Center Punch Material: Steel, Aluminum Alloy Features: Spring Loaded, Easy Operation, High Hardness Size Details: 13.2cm x 1.3cm x 1.3cm/5.2" x 0.51" x 0.51" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Center Punch