Versatile Grit Selection: The set includes six distinct grit sizes: #80, #400, #600, #800, #1500, and #3000. This range allows for coarse grinding (#80, #400), medium grinding (#600, #800), fine grinding (#1500), and polishing (#3000), covering all stages of the polishing process. Wide Application Spectrum: Ideal for cutting and sanding stones and glass, these discs are well-suited for jewelry lapidary work, including polishing crystals, agates, jewels, and jades. Their versatility makes them a valuable tool for both professionals and hobbyists. Optimal Size and Design: Each disc measures 6 inches in diameter with a 1/2 inch arbor hole and a thickness of 1.5mm. The flat and parallel design ensures stable performance, while the embedded abrasive particles enable efficient cutting and precise faceting. Ease of Use and Quality Assurance: These diamond grinding discs are designed for efficiency and ease of use. Their high-quality construction allows for seamless integration into your existing toolkit, enhancing your crafting capabilities. Note: Sticker styles are random and cannot be specified. Color: Silver Material: Diamond Package Contents: 6 x Diamond grinding disc Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.