30pcs Diamond Drill Bits Set Stone Carving Rotary Tool Bits for Glass Ceramic Jewelry

✅ HIGH QUALITY DIAMOND COATING: Made of high-carbon steel shank with durable diamond coating, these bits are hard and wear-resistant, perfect for carving hard materials.✅ WIDE APPLICATIONS: Ideal for drilling, carving, engraving and polishing on stone, glass, ceramic, tile, jewelry, and other hard brittle materials.✅ STANDARD 3MM SHANK: Fits most rotary tools (Dremel, electric grinders) with 3mm (1/8 inch) collets, easy to install and use.✅ VARIETY OF SHAPES: The set includes different shapes (cylindrical, spherical, conical) to meet various carving and drilling needs.✅ ORGANIZED STORAGE: Comes with a plastic storage box to keep all bits organized and protected, easy to carry and store.