The Shape It Up Carbide Milling Bit Purple Rounded Volcano Cone 2-Way Fine Red is a rounded cone carbide milling bit. If you are looking for the best milling bit that can remove any nail system, then this is the milling bit for you! The special purple coating is exceptionally good, resistant to heating, low vibration, low noise, and wear-resistant properties. The special three-layer purple coating is also an armor to last a long time in your milling bit kit, made from the hardest metal, tungsten. In short, razor sharp with high durability, what more could you want? This Shape It Up milling bit quickly mills away old nail product, smooths the nail surface neatly and gets well along the sidewalls cuticles. You can also use this milling bit to shorten or shape the nails. This volcano cone milling bit can be used for both right-handed and left-handed use and has a red grit, this red grit stands for a fine grit that is soft. The fine grit is a soft grit and is suitable for removing soft products such as gel polish, gel polish and BIAB. Set your electric nail drill between 25,000 and 30,000 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.