[High-quality materials] Our automatic center punch is made of high-speed steel, with high hardness, wear-resistant and rust-resistant. They have a deep knurled surface, so it won't slip. It can withstand strong impacts and has a long service life. [Unique Design] The tip of the Center Hole Punch uses a precise centering design to increase precise hole positioning and control. The surface of the automatic center punch uses a knurled design to achieve comfortable working and reduce user fatigue. [Emergency rescue] It is not only suitable for wood and metal, but also can break windows or car windows in case of danger. Just use it on the window edge to make the window crack and fall. Help us escape and stay safe. [Easy to Use] The automatic center punch uses the internal spring to produce impact to open the item hole without tapping with a hammer, easy to use. [Multi-purpose] The automatic positioning punch is suitable for many tasks, such as marking on materials, automatic emergency tools, iron plate positioning, wood positioning, wall positioning, etc. Feature: --The automatic grain punch is a safety tool in the car. It can easily break car windows so you can escape in an emergency. It can also be used to mark, punch, hole punch and trace on wood, metal, glass, plastic, leather, cardboard or wall surfaces. Specifications Material: High speed steel, plastic Color: Gold and Black Size: 13cm Package includes: 2*automatic center punch