The Shape It Up Ceramic Nail Drill Bit Fast Volcano Two Way Coarse Green is a ceramic nail drill bit with a conical shape and a coarse grit for quickly removing harder builder gel, hard gel, and acrylic. Using a ceramic nail drill bit offers many advantages. The material is zirconia ceramic, which is strong and tough, allowing you to quickly and safely remove builder gel, gel polish, and gel in a very short time. This conical ceramic drill bit is suitable for quickly filing away old nail product from the nail surface, making everything neat and smooth. It can also quickly shorten the nail, shape the nail, and file and remove old nail product along the cuticles. This drill bit is suitable for both right-handed and left-handed use and has a coarse grit. Green indicates a coarse grit and is suitable for removing harder builder gel, hard gel, and acrylic. Set your electric nail file between 30,000 and 35,000 RPM when using this ceramic drill bit. Shape It Up ceramic drill 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.