The Shape It Up Carbide Milling Bit Narrow Rounded Cone Coarse Green is a carbide milling bit with a conical shape and a coarse grit for fast removal of hard builder gel, hard builder gel, BIAB, acrygel, and all types of acrylic. This is the best golden carbide milling bit and highly sought after by every nail tech! This narrow, round, cone-shaped carbide milling bit is suitable for quickly milling old nail product from the nail surface, making everything neat and smooth. It can also be used to shorten the nail super fast, clean the underside of the nail, file the nail into shape, and mill and remove old nail product along the cuticles. The special three-layer gold coating offers very high quality, is wear-resistant, ensures a longer lifespan, and makes the carbide milling bit very robust. This milling bit is for right-handed use only and has a coarse grit. Green is a coarse grit and is suitable for removing hard builder gel, hard builder gel, BIAB, acrygel, and all types of acrylic. Set your electric nail file between 25,000 and 35,000 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.