Feature:1. Polishing porcelain teeth: The drill bit is mainly used for polishing porcelain teeth and light-curing resin. Stable concentricity, good decontamination effect. 2. Universal: no need for polishing paste, can be used directly, suitable for grinding and polishing teeth, can also be used for polishing nails, etc. 3. Polishing drill bit set: polishes well without causing black teeth. 9 pieces of tooth polishing drill bits are available, with different shape and color, to meet different needs. 4. Portable design: suitable for low speed handle, easy to install. Lightweight and compact, easy to store and carry, suitable for dental hospitals and clinics. 5. Tungsten steel and resin: tooth polishing drill adopts tungsten steel and resin material, safe and environmentally friendly, strong and strong, stable and wear-resistant, durable. Specification: Item Type: Tooth Polishing Drill Bit Material: tungsten steel, resin Recommended rotational speed: 10000 rpm /min-12000 rpm. /min, dedicated to low speed handle Characteristics: Lightweight, easy to carry and easy to use. Works with all free machines. Mainly used for porcelain teeth, light-curing resin polishing, as well as for nail polishing and other purposes. The concentricity is stable and the decontamination effect is good. There is no polishing paste, it can be applied directly, it will not cause any black teeth, and the polishing effect is good Package List:9 x Polishing Drill Bit 1 x Manual . 9 pcs. Tooth Polishing Drill Bits