Ideal for rust removal, weld burr trimming, hole repair, and mold processing. Suitable for materials such as metal, wood, jade, and stone. This 7pcs -coated grinding bit is designed for versatility and durability, making it ideal for various applications. Featuring high-hardness particles, these bits deliver excellent performance for grinding, polishing, and finishing multiple materials. High wear resistance ensures long lifespan and consistent results. Applications:Use this set for craft engraving, polishing rough edges, or repairing damaged surfaces. Each bit's shape allows you to adapt to different tasks, providing smooth and precise results.Compatible with most standard drills, these grinding bits are a must-have for professionals and DIY enthusiasts seeking reliable and efficient tools., Weight: 0.2425084882 Pounds, Manufacturer: Hipzeepo