[High quality material] The automatic centering punch made of high-speed steel, which withstands strong impacts, is wear-resistant and rust-free and extends the service life. The hardness of high speed steel: HRC58 ~ 60 . [Unique design] The automatic centering punch of the spring-loaded pen pressure spindle enables comfortable working and reduces user fatigue, while the precisely centered tip increases control over the exact positioning of the holes. [Easy to Use] Use to mark the center of the hole to be made. Firmly press the handle and push it towards the stamp. After briefly pushing the stamp back into the strip, the powerful spring pushes the stamp out. [Multipurpose] The dutomatic centering punch is suitable for a of tasks, such as marking on materials, automatic emergency tools, replacement emergency hammers and iron plate positioning, wood positioning, wall positioning, etc. [Wide range of applications] The dutomatic centering punch in the middle is suitable for tasks, such as signs on materials, glass window breakers, tape awls, wall markings, etc. The nail spring tool marks a groove on your workpiece to give you a starting point for moving screws and drills to prevent; this automatic texture is used for metal, wood, glass, canvas, plastic and leather materials. Material:High speed steel colour:Black + Gold Package Contents: 2 x Hole Punch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.