The Shape It Up Ceramic Milling Bit Tapered 5 in 1 Coarse Green 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 avoid having to change different milling bits on your electric nail file's handpiece too frequently. This allows you to start by removing old nail product on the nail surface and neatly smooth everything, quickly shorten the nail, also neatly mill the underside of the nail clean, then neatly file the nail into shape and remove 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 left-handed and right-handed use and has a coarse grit. Green is a coarse grit and is suitable for removing soft products such as hard building gel, hard builder gel, BIAB, acrygel, and all types of acrylic. Set your electric nail file between 30,000 and 35,000 revolutions 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.