[High Hardness] Made of carbon steel, these burrs have high hardness and perform well on wood and light alloys. [Versatile Shapes] This set includes 5 single cut burrs in various shapes, perfect for different engraving and carving tasks. [Widely Compatible] Featuring a 1/4 inch (6mm) shank, these tools fit most electric and pneumatic tools on the market. [Ideal for Woodworking] Perfect for shaping, carving, and polishing wood surfaces, enhancing the detail in woodworking projects. [Durable Construction] Nitride black treatment increases durability, ensuring long-lasting performance for all your crafting needs., Manufacturer: Badafaci