Convenient to carry and easy to store, enough quantity can satisfy basic hand work needsQuality material: automatic center punches are made of high speed steel material, with brass shell casting and chromium plated tips, can hold up to strong impact, long lasting to use, resisting and rust proof to prolong the punch life, high speed steel hardness is HRC 58 degree - 60 degreeFeature: the pocket automatic center punch body has deeply knurled finger grip to achieve easy handling and better control; The non-pinch comfortable cap makes a good cushion for your palm against spring impactEasy to use: the 5 inch center punch has an adjustable tension, so you can use it easily with just one hand; You can mark the center of the hole you want to make, and press the handle firmly, the strong spring willup the punch strongly; After the punch is pressed back into the rod for a short time, it will leave a mark of the holeWide applications: automatic center punch is multi-functional and can be applied in many occasions, suitable for positioning steel, aluminum, iron, PVC, steel, walls, wood, etc.; This automatic center punch is not only for wood and metal, but also able to shatter glass car windows, you can place it in your car as an awl for belts or glass window breaker for car safetyColour:Photo ColorMaterial:steelPackage Contents:1 * golden center punch1 * silver center punch1 * silver hooded center punch1 * gold hooded center punch1 * blue center punchOnly the above package content, other products are not included.Note: Light shooting 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.