specification: Item Type: Dental Polishing Burs_x000D_Material: Stainless Steel Shank, Silicone Rubber Grinding Head _x000D_Usage: Teeth grinding, etc. Features: 1Can be used for polishing, whitening and repairing teeth, long service life and special designed for dental use. 2Dental electric tools grinding accessories, special designed for dental tooth fine grinding and polishing. 3Easy to grasp, simple to use, safe and reliable, high quality stainless steel shank design, corrosion resistant and durable. 4Made of high quality silicone rubber material of the dental polishing burs, high efficiency for polishing and stable performance. 5Including a total of 12pcs dental silicone polisher grinding head of the package to meet your demands. PackageList: 12 x Dental Polishing Burs