1、Can be replaced to use, can be rotated forwards and backwards, has the functions of shaping, removing nail polish, removing dead skin, carving radian, etc., and is convenient to use. 2、It can meet the needs of different nail art, and can be used for manicure, nail polishing and grinding. 3、Hard tungsten steel nail drill bits are perfect nail tools for various professional tasks (such as engraving, grinding, sharpening, polishing, etc.). 4、The universal 2.35mm nail drill bit handle diameter is suitable for most nail drill machine on the market. 5、Adopts quality tungsten steel material, safe and wear‑resistant, durable, suitable for home use and nail salon. Condition: 100% Brand New Item Type: Nail Grinding Head Set Material: Tungsten Steel Shank Diameter: Approx. 2.35mm / 0.1in Features: Used for manicure, nail polishing, nail salon, foot care, pedicure, nail polish removal, etc. to be used with nail polishers. Application: Home, nail salon, etc. Size: As Shown in the Pictures 1 x Nail Drill Bit