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If you test them in a synthetic progression you can tell where they stand.

They worked in the old days...and im sure pro barbers didnt complain that the edges were bad.

Most barber hones are in the 8K level range, it is hard to find one that is more than that. Swaty is between 8-10K level, imo, Lakeside is higher than that, over 12K.

Frictionite and the Norton...