Fret Crowning Tool with 2.0mm and 2.5mm and 3.0mm Diamond CONCAVE files. • An excellent finish results and a fully polished fret is quickly obtained by going through the sandpaper from coarse to fine grit: 800, 1000, 1200, 1500, 2000 and finally 2500 grit - it's only a couple of rubs with each and when you use the spring steel strip to protect the fretboard then the paper glides across the surface of the fret and strip easily.
This product would be ideal for professional musicians, luthiers, or DIY hobbyists who require a versatile and high-quality fret-crowning tool with three different widths to accommodate different thicknesses of wood or material.