20 diamond burrs for carving and polishing, 1/8" shank, for engraving/grinding/polishing stone/rock/glass/ceramics

1. Precision Work – Excellent durability for precision work: polishing, grinding, cutting, engraving, carving, repairing, and finishing. The diamond-tipped rotary file is suitable for glass, metal, stone, ceramics, jade, jewelry, wood, plastic, and other hard materials. 2. Various Shapes – The polishing kit includes 6 different heads to meet diverse needs. Ideal for carving and cutting glass, stone, and ceramics; engraving for arts and crafts; model making; household repairs (wood, plastic, dog scratches, etc.); and more. 3. Universal Shank – All diamond burrs and grinding wheels with a 3.2 mm shank are compatible with most rotary tools and grinders. 4. Sturdy Storage Case – The 20 grinding heads are stored in a sturdy, shock-resistant, and moisture-proof plastic case that is easy to carry and store for optimal organization (power tool not included).