THS Double Cut Carbide Rotary Burrs 6mm (1/4) Shank Solid Carbide Rotary Burr File Set for Die Grinder Drill Metal Carving Polishing Engraving Drilling (Pack of 5)

Made of high-speed steel material, through fire dipped black surface treatment, ensuring its sharper and durability. Ball, Oval, Cylinder, Large and Small cone, Rotary Rasp Burr Set Carving File Rasp 1/4 6mm Shank Drill Bits Woodworking. High efficiency, and user-friendly. Convenient to drilling, simple to use, safe and reliable. Rotary burr-processing efficiency than the manual file to improve of times, than with a small handle wheel to improve nearly ten times.High working efficiency, perfect punching effect, and long using life. Use it creatively?DIY enthusiast or hobby and craft fan, and give your rotary tool even more functionality with this set of diamond burrs. In a great part of the work, it can replace the petiole small wheel and no dust pollution.