Versatile Grit Options: This set includes 24 diamond grinding bits with 50Grit and 150Grit, designed for of your project. The 50Grit bits are perfect for quick, rough work, while the 150Grit bits are ideal for finer detailing, ensuring a comprehensive solution from start to . Wide Application Range: Crafted for versatility, these diamond bits are essential for anyone working with hard materials. They are perfect for engraving, polishing, grinding, and drilling on materials such as tile, ceramic, glass, jade, marble, and , making them indispensable for diverse crafting needs. Construction: Made with robust diamond particles, these bits offer exceptional durability and wear-resistance. Their impact- design ensures long-lasting performance, reducing the frequency of bit changes and maintaining consistency in your work. Universal Tool Compatibility: Each bit features a 1/8 inch (3mm) universal shank, making them compatible with most rotary tools. This universal design facilitates seamless integration with your existing toolset, enhancing convenience and efficiency in your crafting projects. Comprehensive Set Specifications: The kit includes 24 diamond grinding bits with shank diameters of 1/8 inch and varying diameters from 4mm to 12mm. This set allows for precise selection based on the material and demands, covering everything from fine texturing to rough contouring. Colour:As shown Material:Metal Package Contents: 24 * diamond grinding bits Only the above package content, other products are not included. 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.