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 general purpose 2.35mm tool rest diameter is suitable for most grinders on the market. The diameter of grinding head shank is made of tungsten steel, durable. 4. The 2 way nail drill is suitable for both left and right hand operation and has excellent cutting properties, suitable for nail professionals or home use. 5. It is used for nail surface polishing, manicure, nail removal, etc. It has the characteristics of sharpness, easy cleaning, and fast nail removal. Specification: Item Type: Nail Polishing Head Material: Tungsten Steel Shank Diameter: Approx. 2.35mm/0.09in Uses: Household, Nail Shop, etc. Product Description: F: Used to Remove the Bottom Glue or Soft Glue, with a Round Head Design, Which is Not Easy to Damage the Skin M: Used for Nail Polish Remover, Phototherapy Glue, Nail, etc. It is Not Easy to Abrade Nails C: Used for Nail Polish Remover, Phototherapy Glue, Nails, etc., Not Easy to Abrade Nails XC: Used for Quick Nail Removal, Hard Glue Removal, Nail Extension Glue, etc Package List: 1 x Grinding Head 1 x Storage Box Note: Manual measurement, please allow 0‑1cm/0‑0.4in error.