Nail polish block

Product introduction
Nail polishing block four fineness, grinding, polishing into one, roughly used for polishing nail, there are two sides polishing to remove dead skin.
The thickness of each side is different, followed by
Roughest: Used for filing nail edges
Subcoarse: File flat nail surface in the same direction
Finer: often used for polishing nail surfaces
Soft: It can be used to rub the nail surface at any time to make it glossy.