This is a dedicated file for crown (fret mountain) processing after fret grinding.
This fret crowning file with both fine and coarse surfaces. Larger triangles indicate the "coarse" side and the smaller triangles indicate the "fine" side. The arrow shows the filing direction.
R=2mm, usually used for crowning medium frets, suitable for most standard guitar's frets.
Compact size, 100mm x 20mm x 4mm/3.94inch x 0.79inch x 0.16inch(without silicone rubber grip), this has been made lighter by eliminating the handle, reducing the burden of work, non-slip with rubber band, easy to carry.
High quality carbon steel material, intended for professionals such as musical instrument stores, repair shops, and musical instrument makers.