20 Piece Rotary File, Carbide File Set, HSS Rotary File Heads, Rotary Tool, 1/8" (3mm) Shank Rotary Tool for Grinder, Woodworking, Metal Polishing, Engraving, Drilling

• Professional kit: There are 20 types of rotary cutters in different shapes and sizes. You can choose different types of cutting heads according to your working needs to meet your various craft creation needs. • Multi-function tool: The diamond drill bit has 20 different grinding heads for carving, engraving, chamfering, slotting, reaming, drilling, etc. It is a great tool for detail work. High-quality material: The cutter is made of high-quality high-speed steel, which has a long service life and has the advantages of high hardness, good wear resistance and heat resistance. • Compatibility: 3mm handle suitable for Dremel electric rotary tools and most mini grinders.Very easy to use with a user-friendly design and easy insertion process.• Versatility: Dremel wood router bits can process soft metals such as plastic, ceiling tiles, drywall, laminate, fiberglass, vinyl, aluminum, etc. This HSS rotary burr set can be used with most rotary tools or straight grinders.• Capable of engraving on a wide range of materials, including wood, ABS, acrylic, PVC, plastics, etc.• 20 different shapes of engraving burrs of the most commonly used types, with sharp edges.