I have an old razor from my great uncle, it's just labeled "MAGNETOSTEEL" or "MAGLETOSTEEL". It looks a little wider than a 6/8, round tip, but there is a crack in the edge up the blade around 3/16" tall and 3/16" back from the toe. It is worth it to regrind the toe back to just past the crack? It would be solely as a user. I have access to variable speed belt sanders so I won't overheat the edge.