1Drilling Grinding Tool: Ensure precise carving and polishing with this carbide rotary burr set. Ideal for automotive repair and crafting, it is perfect for grinding cylinder heads and polishing impellers. 2Universal Fit: Long rotary files is designed to fit most rotary tools, making it versatile and convenient for various industries. The double cut design ensures efficient material removal and long lasting performance. 3Quality Material: Made of cemented carbide, these burrs are resistant to wear, providing reliable performance in demanding applications. They can handle tough materials like metal, making them ideal for industrial use. 4Precise Carving: The C shaped and D shaped burrs in this set allow for precise shaping and carving of various materials, including wood, plastic, and even stone. They come in different sizes for added versatility and control. 5Wide Application: Suitable for use in industries such as machinery, aviation, automotive, shipbuilding, and chemical, this carbide burr set is a must have tool for professionals and hobbyists alike. It is also suitable for craft carving and DIY projects.