Quote Originally Posted by gssixgun View Post
Many people make that claim because they mistakenly think that the Norton is on the American grit system and the Naniwa is on the Japanese one...
Both are actually rated on the Japanese standard I personally think those grit charts are a detriment to honing
My battery-thirsty microscope gave me an emphatic NO on the Naniwa 5k = Norton 8k. Still haven't shaved with Naniwaaah 5k but should someday.