This is the professional fret file for smooth and fine (#300) recrowning.
So it files jumbo fret wire on one edge, medium on the other.
Cutting length: 100mm
Total length: 200mm

This is the professional coarse (#150)fret file for recrowning as a first step when much material has to be removed in fast strokes.
Use the fine diamond fret file 04040001 as next step to remove possible file marks.
The file has two different radius on the edges.
Cutting length: 100mm
Total length: 200mm

Fret-end (dressing)  file with polished edges (180mm)
Ideal for chamfering the fret end angles