Search:

One thing I think we really need to do is refer to "equivalent" grit when we're talking about naturals--i.e. how fine the edge would be if it came off a synthetic of known grit, rather than trying to...

Not sure if you can really "duplicate" it as such, but definitely a Shapton 30K, & possibly some Eschers & very hard (level 5) Jnats might give sharpness levels that are in the same ballpark. This...