Features High Speed Steel: These carbide rotary burr sets are made of high-quality high-speed steel with high hardness, good wear resistance, and durability. Its durability is more than 200 times higher than that of small grinding wheels. Simple to Use: Simple and convenient to use, safe and reliable, it can reduce labor intensity and improve the working environment, making it more suitable for relatively low-density materials such as wood, plastic and aluminum. Convenient Storage: Small and lightweight, these rotating files are easy to store, take up no space, and can be taken anywhere. Carpentry, Carving, Carving and Polishing, Chamfering, Grooving, Reaming, Hollow, Bevel and more 20 sizes. High Finish: The product has good processing quality, high finish, high processing accuracy, and is convenient and fast. Ideal for your DIY woodworking, carving, carving and polishing. Multi Purpose: Suitable for mold manufacturing, chamfering, chamfering and grooving of mechanical parts, cleaning burrs and welds of welds. Specification: Item Type: Rotary Files Material: High Speed Steel Package List: 1 x Set of Rotary Files  Package List 1 x Set of Rotary Files