<p>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 Degree ~ 60 Degree.</p> <p>Automatic center hole punch is suitable for a of tasks,such as mark on materials,car emergency tools,alternative emergency hammer,and Iron plate positioning,wood positioning,wall positioning,etc.</p> <p>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 for your palm against spring impact.</p> <p>Impact strength adjustable,spring tension adjusts for light or heavy strokes,marking,punching and staking.</p> <p>Use 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</p> <p>Color: gold+silver</p> <p>Material: HSS</p> <p>Size about: length 12.8cm</p> <p>Package Contents:</p> <p>1 * gold hooded</p> <p>1 * silver hooded</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light 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.</p>