Feature: 1. [Magnetic Design] The marking pen has a magnetic design that can pick up small parts and can also be used in hard to arrive areas to recycle steel shavings. 2. [Premium Materials] The marking engraving pen is made of tungsten carbide tip and aluminum shell, with a hard structure that is not easily broken and rusty. Aluminum handle with knurled design, non slip and easy to grip. 3. [Versatile Usage] The tip is sharply and sturdy, can be used for metal, glass, ceramic, wood, jewelry, marble, shell, wall, etc., can draw clear lines on hard materials, suitable for carpenters, construction workers, painters, and carving enthusiasts. 4. [8 Replacement Tips] The set comes with 8 replacement tips, rotating the pen tip can replace the marking tip. The tip is equipped with a cap to prevent accidental stabbing. 5. [Portable Design] Compact in size, easy to store, can be placed in your tool bag without taking up too much space. Designed with convenient pocket clip that can be clipped into the pocket. Specification: Item Type: Tungsten Carbide Scriber Material: Tungsten Steel, Carbide. Package List: 4 x Tungsten Carbide Scriber 1 x Cutting Ruler 8 x Replacement Pen Tip