There's no other file like it! This
revolutionary nail file has three special filing surfaces. The first surface is
located on the sides of the file and is designed to give a clean, smooth edge
to the end of the nail. The second and third surfaces are somewhat finer. These
surfaces are on the underside of the wide end and the topside of the narrow end
of the file. They are specially designed to remove any burrs that may appear on
the top or underside of the nail after clipping or filing.