The Mini Diamond File polishes the edge after sharpening. This removes any case hardened burrs.
Once your edges are sharp and set at the correct angle use a DMT to keep your edges sharp without removing too much edge.
An essential tuning tool. Particularly for fine tuning for special days and races.
Red: Fine (600 mesh - 25 micron) for quick tune ups.
Blue: Medium (325 mesh - 45 micron) to restore a neglected edge.
Black: Extra Coarse (220 mesh - 60 micron) to fix a damaged edge.