About this itemMULTI-USE: Automatic center hole punch is suitable for a variety of tasks, such as mark on materials, car emergency tools, alternative emergency hammer, and Iron plate positioning, wood positioning, wall positioning, etcADJUSTABLE IMPACT TENSION: Impact strength of the center punch is adjustable, spring tension adjusts for light or heavy strokes, marking, punching and stakingCOMFORTABLE: Center punch with knurled non-slip surface and precision centered tip increase control for more accurate and precise holesDURABLE MATERIAL: The center punch tip is made of high speed steel that holds up to strong impact, wear resisting and rust proof to prolong the punch life, high speed steel hardness: HRC58 ~ 60DESIGN: 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 impactDescriptionCenter Punch is a tool with a conical point, which is used making an indentation in an object This allows you to safely drill a hole at the same spot without slipping. This Center Punch has a knurled finger grip for ease of handling and greater punching control Its tempered head makes it less likely to fracture from a hard, off-center blow. Chrome plated shank center punch body withstands high impact force and resists corrosion, strong high speed steel tip holds up to hard surfaces.FeaturesCenter punch setColor: As shown.Material: Steel, Aluminum alloy.Size:Center punch:130mmSpecification:How to use:Use the heavy head to align with the positioning point.Firmly press the handle and press it in the direction of the punch.After the punch is pressed back into the rod for a short period, the strong spring will vigorously eject the punch.Package Including3 * Center punch