Help you sharpening your leather chisels.
Could be used with an electric grinder or used by hand,
Used for all the steel, even for M390 steel or RWL34 steel.
Could use for any shape chisels: round/oval/oblong/brogue holes punching tool.
Round holes Minimal diameter: 1mm. Cannot use for chisels which a diameter less than 1mm.
Cannot be used for sharpening pricking iron.