Features1Porcelain Teeth Polishing: Drill bit is mainly used for polishing porcelain teeth and light curing resin. Stable concentricity, good decontamination effect. 2Multi Purpose: No need for polishing paste, it can be used directly, suitable for grinding and polishing of teeth, can also be used for nail polishing, etc. 3Polishing Bur Set: Polishes well without causing any black teeth. 9pcs of teeth polishing bur are available, with different shape and color, meet your different needs. 4Portable Design: Suitable for low speed handpiece, easy to install. Light weight and compact, easy to store and carry, suitable for dental hospital and clinics. 5Tungsten Steel And Resin: Teeth polishing drill bit adopts tungsten steel and resin material, safe and eco friendly, firm and sturdy, stable and wear resistant, durable.SpecificationItem Type: Dental Polishing Drill BitMaterial: Tungsten Steel, ResinRecommended Rotation Speed: 10000rpm-12000rpm, dedicated to low speed handpieceCharacteristics: Light weight, easy to carry and easy to use. Works with all slow machines. Mainly used for porcelain teeth, light cured resin polishing, and also used for nail polishing and other purposes. The concentricity is stable and the decontamination effect is good. There is no polishing paste, it can be used directly, it will not cause any black teeth, and the polishing effect is goodPackage List9 x Polishing Drill Bit 1 x Manual