Wide Range of Uses: This 20-piece set includes a variety of router bits for carving, engraving, drilling, beveling, chamfering, slotting, reaming, shaping, and hollowing. Each drill bit is carefully crafted to suit different angles and scenarios, enhancing your woodworking projects with precision and versatility. Superior Durability: Made from high-speed steel (HSS) and coated with titanium, these rotary burrs offer excellent lifespan and wear resistance. The advanced material composition ensures faster cutting speeds and greater efficiency, saving time and money during heavy use. Universal Compatibility: With a universal 1/8-inch (3 mm) shank and 1.53-inch (39 mm) length, these drill bits are compatible with a wide range of rotary tools and die grinders, making them a versatile addition to any tool collection. Wide Material Applicability: Suitable for a wide range of materials such as wood, plastic, ABS, PVC, acrylic, and resin. These drill bits are ideal for fine-detail tasks including home repairs, DIY crafts, and the construction of miniature models such as dollhouse furniture, trains, and airplanes. Colour:Silver Material:Stainless steel Package Contents: 20 * carving and polishing accessories of different specifications