Feature:1. Multi Function Drill: The surface roughness of the drill bit changes from top to bottom. A nail drill bit of one size can perform multiple functions, and can quickly remove acrylic or hard gel for cleaning, shaping, cutting, smoothing and removing.2. The Drill Bit Can Be Rotated: The drill bit can be rotated left and right to achieve cutting in clockwise and counterclockwise directions, switching back and forth with left and right hands, without changing the size during work.3. Strong And Sturdy: Nail drill bits is made of hard tungsten steel, it has reliable strength, high durability, low cutting performance and less dust. It can quickly and well reshape, smooth, polish, carve and gel nails or acrylic nails.4. Easy To Clean: The hard tungsten steel grinding head is corrosion resistant and will not clog the nails. You can easily clean the dust on the drill or nails, and protect the drill after each use, so that your nails and your customers' nails are healthy.5. 3 Different Sizes Of Nail Drill Bits: The electric professional nail drill bits includes F, M, C, these grinding heads are suitable for most drill nail machines, and suitable for most gel nails and experienced manicurists or beginners in nail art.Specification:Item Type: Nail Drill BitsSpecification: 3 x Grinding HeadModel: F, M, CMaterial: Tungsten SteelShank Diameter: Approx. 2.35mm / 0.09inFeatures: Used for Manicure, Nail Removal, etc. to Be Used with Nail Polisher.Application: Household, Nail Salon, etc. Package List:3 x Grinding Head3 x Storage Box