30Pcs 1mm 2mm 3mm Tip Each 10, 150-Grit Diamond Drill Bits 1/8 Shank Compatible with Dremel for Drilling Grinding Glass Stone Jewelry Metal Diamond Tip

Premium Diamond Coated Tips - Features high-quality diamond particles for efficient grinding and drilling through beach sea glass, stone, rock, ceramic, and seashells. Durable steel construction ensures long-lasting performance. 1/8"(3mm)shank compatible with Dremel rotary tool 1/8"(3.175mm) collet.Ideal for precision drilling, engraving, and deburring in jewelry making, crafts, and DIY projects. Versatile, 1mm, 2mm, 3mm tip sizes - Perfect for detailed work on small stones, sea glass, and delicate materials. Great for enlarging holes or creating precise openings in beads and pendants. Water Cooling Recommended - Works best when used with water (submerged or with a drip) to prevent overheating and extend bit life. Avoid dry drilling for optimal results. 30-Piece Value Pack - Affordable bulk set with a storage case. Replace worn bits easily-ideal for hobbyists and professionals who need reliable, cost-effective grinding tools.