Ceramic Nail Drill Large Barrel Viva's ceramic nail drill bit large barrel burr has the best concentricity. It has a long lifetime and is super durable. It can still keep its sharpness after being used. These ceramic bits are made of zirconia ceramic that can be used for alcohol sterilization, making it safer for a new nail artist. Viva's ceramic burs have a standard shank that fit most nail drills. Product Features Appr.Weight: 10g Material: Ceramic Shank Size: 3/32: 1/8 Flute Size: 6.6mm Grit: Coarse Colour: White Package: Individually Follow these steps to clean and sanitize your drill bits: Step 1Clean your ceramic bits to remove dust from the surface by washing with a small cleaning brush, alcohol and warm water. Step 2 Please don’t use UV light that will destroy the ceramic structure and don’t use coloured liquids that will dyeing ceramics. Step 3 Dry your drill bits completely and store away.