The Shape It Up Carbide Safety Milling Bit Large Cylinder Smooth Flat Top Fine Red is a carbide milling bit featuring a large cylinder shape with a smooth top at the head. The smooth top allows for safe milling without damaging cuticles or skin. The smooth top also allows you to work faster with a sense of peace and confidence. This is the best carbide milling bit for beginners or starters who want to start electric nail filing. 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, ensures a longer lifespan, and makes 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 sharp smile line. This milling bit is for both left 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.