ITEM NAME:10 Pieces Tungsten Steel Graver Chisel Stone Seal Craft Wood Carving Engraving Description: Tungsten steel stone cutter, wrapped in black silk It is great for making stone seals. Do not use it for jade, porcelain, crystal, pebbles, marble, bluestone and other hard materials. Do not hit the tail with a hammer when cutting to prevent breakage. It is also perfect tool for wood carving, whether you are a beginner or a professional. Perfect for art, stone and seal engraving and carving, wood craft, jewelers, hobbies, crafts, craft modeling, etc. Specification: Material: Tungsten Steel Length: Approx. 15 cm / 5.91 inch Size of tips: Approx. 1 - 8 mm / 0.04 - 0.31 inch Package Includes: 10 Pieces Stone Seal Engraving Graver Tools SKU: FUZ0029409059020560.10 Pieces Stone Seal Engraving Graver Tools. Perfect for art, stone and seal engraving and carving, wood craft, jewelers, hobbies, crafts, craft modeling, etc. It is also perfect tool for wood carving, whether you are a beginner or a professional.