The Shape It Up Ceramic Milling Bit Tapered 5 in 1 Medium Blue is a ceramic milling bit with a tapered shape and five different functions in one. This is the best ceramic milling bit and highly sought after by every nail tech! The Ceramic Milling Bit Tapered 5 in 1 helps you to change different milling bits on your electric nail drill's handpiece less frequently. You can start by removing old nail product from the nail surface and making everything smooth, quickly shortening the nail, neatly milling the underside of the nail, then neatly filing the nail into shape, and removing all old nail product along the cuticles. The material is zirconia ceramic, which is strong and tough and ensures that you can quickly and safely remove flexible building gel, builder gel, BIAB, and acrygel in a very short time. This milling bit is for both left-handed and right-handed use and has a medium grit. Blue is a medium grit and is suitable for removing soft products such as flexible building gel, builder gel, BIAB, and acrygel. Set your electric nail drill between 30,000 and 35,000 RPM when using this ceramic milling bit. Shape It Up ceramic 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.