Enough: includes 4 pieces of tungsten carbide scribers Durable to use: the glass scriber features a durable tungsten carbide tip and a metal shell, capable of marking hard materials such as hardened steel, stainless steel, ceramic, jade, shell, and glass. The tungsten carbide tip is wear-resistant and long-lasting Simple to hold: designed in a pen shape with a sturdy structure and lightweight knurled aluminum handle for a secure grip, easy to hold and control, ideal for precise and clear marking The aluminum engraving pen has a magnetic design that helps collect metal filings from hard-to-reach areas, making it useful for detailed engraving tasks Ideal for scribing clear lines on various hard materials, suitable for glass, metal, wood, jewelry, and more Color: silver Material: metal Portable design: the clip allows the engraving pen to be easily attached to a pocket, making it convenient to carry and less likely to be lost Package Contents: 4 x Carbide Scriber Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm