The Shape It Up Carbide Safety Milling Bit Cylinder Smooth Top Fine Red is a carbide milling bit with a cylindrical shape and a smooth top at the head. The smooth top allows for safe milling without damaging cuticles or skin. The rounded top also enables faster work with a sense of security and confidence. This is the best carbide milling bit for a beginner or a starter who wants to start electric nail filing. This carbide milling bit is also known as a cylindrical safety milling bit. The special triple-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, refilling nails, shortening nails, and creating a crisp smile line. This milling bit is for both left-handed and right-handed use and has a fine grit. 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 file 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.