Diamond Grinding Head Burr Diamond mounted point for sculpting, shaping, precision grinding, and internal grinding of carbide, ceramic, glass, precious stones, alloys, and other hard materials. Diamond Materials Made with high-quality diamond particles for superior durability, wear resistance, hardness, and impact strength; ideal for detailed and fine work. Universal Compatibility Features standard shank sizes of 2.35mm (3/32") and 3mm (1/8"), compatible with most rotary tools and die grinders. Shank Specifications Rotary tool diamond burr set with shank diameters: 2.35mm (0.093") and 3mm (0.118"). Head diameters: 2.35mm shank 2, 2.5, 3, 4, 5, 6, 8, 10mm; 3mm shank 8, 10, 12, 14, 16mm. Multi-functional Use Durable diamond grinding bits designed for polishing and grinding stone, glass, ceramics, tile, brick, fiberglass, and rock. Suitable for DIY crafts, modeling, home repairs, wood, certain plastics, and pet nail grooming. Stone Carving Set 13-piece diamond burr bit set compatible with Dremel and other rotary tools. Includes bowl-shaped bits for carving, engraving, grinding, jewelry making, rocks, and stone work. Color: As shown Material: Metal Package Contents: 13 x Diamond Burr Bits (8 pcs with 2.35mm shank + 5 pcs with 3mm shank) Note: Package includes only the items listed. Image colors may vary slightly due to lighting and display settings. Measurement tolerance: 13 cm.