The use of the sidewall planer is essential to remove excess of material which may compromise the file cutting and make it difficult to obtain the right angle. It is necessary to use this tool before filing, so that the file can make a precise work on the edges.

Titanium Square Relacement cutter for Ergorazor. Takes down side-wall (edge-offset) material with ease so the metal side-edge is fully exposed before side-edge filing. Allows file teeth to then easily cut the side-edge.