Product description Colour Name:Silver Product Features: 1. Assorted shapes and sizes include: ball, cone, rounded cylinder, flat top cylinder, tapered. 2. Cleaning trimming, veining and weld joint of casting, forging and weldment. 3. Highly recommended for jewelers, lapidary use, hobbies, crafts, craft modeling, home repair and so much more. 4. Great for filing glass, ceramics, tile, brick, plastics, wood, fiberglass, stone, rock carbide, gold, platinum, silver, metals, and anything with a hard surface. 5. They are suitable for polishing metals and plastics. Can be used with most hand power tools, including Dremel, Proxxon, and many others. Uses: Cleaning trimming,veining and weld joint of casting, forging and weldment.v Finishing all kinds of metal molds. Impeller passage of finishing processing. A variety of mechanical parts chamfer,round and groove processing. Inner hole surface of machinery parts finishing. The process of various metal and nonmetal sculpture. Package include: 10 Pieces 2.3 x 6mm carbide burr