Value PackageThe Automatic Center Punch is 130mm long and 11mm in diameter.The set contains two automatic medium stamps and two replacement stamps. The outer shape is compact and easy for you to carry. High-quality MaterialThe centre punch made of a well machined brass body and has a deeply knurled surface which means that it will not slip and offer more precise handling and control. Each metal hardened and chrome plated tip lasts for hundreds of strikes so you can get the job done Easy to UseThe Automatic centre Punch uses the internal spring to produce impact to open the hole of the item without tapping the help of hammer, easy to use. Adjustable TensionThe centre Punch Automatic has a built-in spring to adjust the tension, you can adjust the cover clockwise or counterclockwise to get it just right. Wide range of ApplicationsThe automatic centre punch can be used as a manual punching tool on wood, metal, glass; It can also be used to smash car windows so you can escape in an emergency. Colour: silver Product includes: 2 centre punches + 2 spare punches Notes: Please allow 1-3cm error, due to manual measurement, please make sure you dont mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual colour of the item. Thank you for your support