Key fetures: 
- Diameter of the working part, mm: 3.10
- Shank diameter: 2.35mm (3/32”) fits for most electric manicure machine on the market
- Grain size: small (red)
 
Used in hardware manicure and pedicure:
- Cleaning up nail cuticles
- Smoothing and shaping gel or acrylic nails
- Helps manicure to last longer