Feature: 1. Multi‑functional and can be changed to use, positive negative rotation, with the functions of grinding shape, remove nail polish, dead skin, carving radian, etc. Convenient to use. 2. To meet the needs of different manicures, a variety of suitable occasion, can be used for manicure, nail polish, dead skin removal and other purposes. 3. Multi‑function drill bit and wonderful and practical tool for manicure. 4. Can be used for carving, grinding, sharpening, polishing and so on. 5. The universal 2.35mm shank diameter is suitable for most of the grinding machines on the market. Durable to use. Specification: Condition: 100% Brand New Item Type: Nail Drill Bits Material: Tungsten Alloy Quantity: 4pcs Model: XF, F, M, C Handle Diameter: Approx. 2.35mm / 0.1in Features: Used for manicure, nail polish removal and so on, can be used with manicure and polishing machine. Applications: Home, nail salon, etc. Package List: 4 x Nail Drill Bits