Description Whether you're working on wood, metal, plastic,ceramics or glass, this precision tool will give you precise hairline marking ability. Next to diamond, tungsten carbide is considered to be the hardest material known. Features - Material: Alloy and tungsten carbide. - Color: Green. - Size: 145 x 8mm. - The carbide scribe pen is the perfect tool for making accurate lines on hardened materials like hardened steel, stainless steel, ceramics and glass. - Engraving pen comes with a protective for reversing tungsten carbide point when not in use. - Durable, mechanical pencil type holder prevents stick breakage and features a convenient, sharpener. - Convenient pocket-clip allows you to always keep the tool handy. - This scribe has a finely honed needle point mounted in a 14.5cm long stainless steel handle, and the diameter is 8mm. The carbide scribe pen is the perfect tool for making accurate lines on hardened materials like hardened steel, stainless steel, ceramics and glass. Engraving pen comes with a protective for reversing tungsten carbide point when not in use. Durable, mechanical pencil type holder prevents stick breakage and features a convenient, sharpener. Convenient pocket-clip allows you to always keep the tool handy. This scribe has a finely honed needle point mounted in a 14.5cm long stainless steel handle, and the diameter is 8mm.