Feature:1. Nail drill bits can change to use, can be rotated back and forth, with shaping function, can remove nail polish, remove dead skin, engraving radian and other functions, easy to use.2. Can be used for manicures, nail gel removers, nail polishing and dead skin removal.3. Tungsten steel nail drills bits are perfect for a variety of professional tasks (e.g. engraving, grinding, sharpening, polishing, etc.).4. The universal 2.35mm shank diameter is suitable for most nail drill on the market. The shank diameter of the grinding head is made of tungsten steel and is durable.5. For manicure, nail polishing, etc., can be used with nail polish, suitable for home, nail salon, etc. Specification:Condition: 100% Brand NewItem Type: Nail Drill Bit Material: Tungsten Steel Quantity: 2pcs / set Handle Diameter: Approx. 2.35mm / 0.1inFeatures: Used for manicure, nail polishing, nail salon, foot care, pedicure, nail polish remover, etc. It should be used with electric nail drill. Applicable: Home, nail salon, etc.Corn Head Size: Approx. 5 x 0.5 x 0.8cm / 1.97 x 0.2 x 0.31inFlat Head Size: Approx.3.8 x 0.5 x 0.6cm / 1.5 x 0.2 x 0.24inPackage List:1 x Corn Head Drill Bit 1 x Flat Head Drill Bit