Automatic Center Hole Punch Adjustable Impact Automatic Center PunchFeature: 100% brand new and high quality . center punch is spring loaded with adjustable stroke; can accommodate various types of materials such as wood, plastic, metal, glass, leatherChrome plated shank body withstands high impact force and resists corrosion, extremely strong S2 steel tip holds up to hard surfacesActive spring-driven action and hard steel awl tip makes punching easier; strike force can be increased or decreased with adjustable capSuitable for a variety of tasks, from construction to automotive; can be used as an awl for belts or glass window breaker for car safetyKnurled non-slip surface and precision centered tip increase control for more accurate and precise holes Notice: Please allow 1-2cm error due to manual measurement. Pls make sure you do not mind before you bid. The colors may have different as the difference display,pls understand. If you have any problems, please contact us before open the dispute or give negative feedback,we will try our best to help you,thank you Package Content: 1 X High hardness punch