Feature:1. Complete functions, interchangeable use, can be rotated back and forth, have the functions of shaping, removing nail polish, carving radian, etc, easy to use.2. Hard tungsten steel nail drills are suitable for various professional tasks, such as engraving, grinding, sharpening, nail removal, etc. It is an ideal nail tool.3. The universal 2.35mm tool holder diameter is suitable for most grinders on the market. The tool holder diameter of the grinding head is made of tungsten steel, which is durable.4. The 2 way rotating nail drill is suitable for left hand and right hand operation, with excellent cutting performance, suitable for nail professionals or families.5. It is used for nail surface polishing, manicure, nail removal, etc. It has the characteristics of sharpness, easy cleaning and disinfection, wear resistance, and fast nail removal.Specification:Item Type: Nail Polishing HeadMaterial: Tungsten SteelSize: Approx. 40.5 x 13.3 x 5.9mm/1.6 x 0.5 x 0.2inShank Diameter: Approx. 2.35mm/0.09inUses: Household, Nail Shop, etc..Package List:1 x Grinding Head 1 x Storage BoxNote:Manual measurement, please allow 01cm/0‑0.4in error.