<p>Size - This diamond gem jewelry grinder has a diameter of 6 inches (150 mm) and 1 inches (25 mm) thickness, 1 inches (25 mm) shaft and 100 particles.</p> <p>Material - Made of high hardness diamonds, this gem grinding wheel is durable, wear-resistant and scratch-resistant, allowing for quick cutting and grinding, ensuring more efficient and high-precision grinding.</p> <p>Diamond coating adheres evenly to the surface of the grinding wheel, has strong adhesion and is not easy to lose sand, ensuring long-term use.Using ABS plastic core, the diamond grinding disc runs smoothly and does not produce excessive noise when rotating at high speed.</p> <p>Application - Suitable for grinding and trimming various superhard materials, such as gemstones, marbles, ceramics, glass, tungsten steel, carbides, crystals, etc.Suitable for most bench grinders and workbenches.</p> <p>Note - Diamond grinding wheels can be used in dry and humid environments.It is recommended to wet and wipe dry after use to prevent rust.</p> <p>Specification:400 Grit</p> <p>Colour:As Shown</p> <p>Material:Metal + Plastic</p> <p>Package Contents:</p> <p>1 x grinding wheel</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>