1、Complete functions, can be used interchangeably, can be rotated back and forth, with shaping, remove nail polish, remove dead skin, engraving radian and other functions, easy to use. 2、Meets the needs of different nail arts and can be used for manicures, nail removers, nail polishes and dead skin removal. 3、Tungsten steel nail drills are perfect for a variety of professional tasks (e.g. engraving, grinding, sharpening, polishing, etc.). 4、The universal 35mm shank diameter is suitable for most grinders on the market. The shank diameter of the grinding head is made of tungsten steel and is durable. 5、For manicure, nail polish, etc., can be used with nail polish, suitable for home, nail salon, etc. 6 x Nail Drill Bit 1 x Dust Brush  Condition: 100% Brand NewItem Type: Nail Drill Bit Material: Tungsten Steel Quantity: 7pcs / set Handle Diameter: Approx. 2.35mm / 0.1inFeatures: Used for manicure, nail polish, nail salon, foot care, pedicure, nail polish remover, etc.Applicable: Home, nail salon, etc.Size: As Pictures Show