100pcs Polishing Wheels Silicone Polishers for DREMEL 100 Dental Lab Green Polishing Wheels They are specially designed for ceramic workpieces, mainly used for porcelain tooth surface/tooth crown/tooth slot/connecting points & edge of the workpieces fine finishing and polishing. Color: Green Granularity Grades: Fine Great for Woodworking, Dental Laboratory, Jewelry & Crafts, Die & Mold Shops Diameter: 22mm RMP: 8,000 - 15,000