The Shape It Up Carbide Milling Bit Purple Tapered Tornado Medium Blue is a tapered tornado-shaped carbide milling bit. If you're looking for the best milling bit that can remove any nail system, then this is the bit for you! The special purple coating is exceptionally good, resistant to overheating, low vibrations, low noise, and wear-resistant. Additionally, the special three-layer purple coating acts as armor to ensure longevity in your milling bit kit, made from the hardest metal, tungsten. In short, it's razor-sharp with high durability – what more could you want? This Shape It Up milling bit quickly removes old nail product, smooths the nail surface nicely, and works well along the side walls and cuticles. You can also use this milling bit to shorten or shape nails. This tornado milling bit can only be used right-handed and has a blue grit, which indicates a medium grit that is medium coarse. The medium grit is a medium coarse grit and is suitable for removing flexible builder gel, BIAB, and acrygel. Set your electric nail file between 25,000 and 35,000 RPM when using this carbide milling bit. Shape It Up carbide milling bits are easy to clean with a brass or nylon brush, and you can soak the bit in Klear Sanifiner, Klear 70% Alcohol, or the special hygienic spray Klear Tools and Surfaces to kill viruses and bacteria.