Place the tip, mark the point, and align the tip of the drill bit with the marked area. The convenient ball head maintains the middle punch during use, making punching easier and more precise. For some materials, it slips off easily when positioning the hole. Use the middle punch to first position the hole,In such a way as toFacilitate the screw opening hole on the back. Main FeaturesWide Range of Applications: Very suitable for marking and piercing on wooden, metal, glass, plastic, leather or wall surfaces. Suitable for DIY, household and general construction/engineering. Handle: Non-slip knurled surface and precisely centered tipIncrease force control for more precise holes in the design. High-quality Material Selection: The head punching needle is made of HSS high-speed steel with a hardness of HRC58-60. It can withstand heavy impact, wear and corrosion, thus prolonging the service life of the punch. Repeatable Impact: The 5-inch spring type punch automatic can punch holes to mark the exit point, and the red adjustable impact plug is made of ABS plastic, which can increase or decrease the impact force. Using the methodUse a heavy head to align the positioning point, hold the handle firmly and press firmly in the direction of impact. After pressing the punch back into the rod for a short time, the powerful spring will force the punch to come out, Creating a dent in each, no need to use hammer and other tools, easy to use. SpecificationsProduct Weight 65GRutter Size(L x W x H) 15 5 3cm/5.9 2 1.2 inchPackage ContentsAutomatic Centering Punch Spring Positioner 1Material High Speed SteelGold, Silver, Black ColorNoteDue to manual measurement, please allow slight deviation in measurement. Due to different display and lighting effects, the actual color of the item may be slightly different from the color displayed on the pictures.