Features: Can be used plastic, wood, metal marking. Made of alloy steel, sturdy and durable. Hardened and tempered steel provides wear resistance and strength. Round shank is knurled for grip 1.5mm, 2mm and 3mm center punch in set. Description: [1]This center punch is used to mark the center of the point and is typically used to mark the center of the hole as it is drilled. [2]The punch is used to drive an object, such as a nail, or to form a tip impression on the workpiece. [3]The center punch adopts spring-type adjustable stroke, which can adapt to various materials such as wood, plastic, metal, glass, leather, etc. [4]Active spring drive action and hard steel tapered tip make punching easier. [5]Automatic spring loading is then released at the top of the cycle under force to create a center punch (no hammer required). NOTE: Depending on the batch, the color of the model number printed on the product may be different, which does not affect Material: alloy steel colour: Black Package Contents: 3 x Center Punch(1PCS each for 1.5mm/2mm/3mm) Only the above package content, other products are not included. Note: Light reflection 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.