The Shape It Up Carbide Safety Milling Bit Cylinder Smooth Top Coarse Green is a carbide milling bit and features a cylinder shape with a smooth top on the upper side of the head. The smooth head ensures that you can mill safely without damaging cuticles or skin. The rounded top also allows you to work faster with a reassured and confident feeling. This is the best carbide milling bit for a beginner or a starter who wants to start electric nail milling. This carbide milling bit is also called a cylindrical safety milling bit. The special three-layer blue coating offers very high quality, the coating is wear-resistant and ensures a longer lifespan, making the carbide milling bit very robust. This large cylindrical ceramic milling bit is suitable for milling large nail surfaces, for refilling nails, shortening nails, and for creating a crisp smile line. This milling bit is for both left-handed and right-handed use and has a coarse grit. The coarse grit is suitable for removing hard builder gel, BIAB, acrygel, and all types of acrylic. Set your electric nail drill between 25,000 and 35,000 revolutions when using this carbide milling bit. Shape It Up's 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.