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 Center Hole Punch tip 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 work and reduce user fatigue.Emergency rescue It is not only suitable for wood and metal, but also can break glass or car glass by case of danger. Just use it on the edge of the window to make the window crack and fall. Help us to escape and ensure safety.Easy to use Automatic center punch uses the internal spring to produce impact to open the hole of the item without hitting 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. Product material: head punch: high speed steel; cap: plastic; shell: steel Product size: the total length is close to 130 mm, and the diameter of the hat with hood is approximately 28 mm. (This weight data is for reference only, the actual product shall prevail)Product features: the spring structure inside the center punch can provide strong impact force to finish the work of the steel plate , plank punch, broken window, etc. How to use: use the heavy head to align the positioning point, firmly hold the handle and press it in the direction of the punch, after the punch is pressed into the rod for a short time, the strong spring will forcefully eject the punch. , creating a pit for the point, no need to cooperate Hammer and other tools, easy to operateDelivery quantity: 2 piecesNote: The data is all manually measured, please allow 1-15cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.Note: The data is all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.