Aiiwatani Located north for Kyoto along with Takashima
They produce some of Harder and finer stones then ussual from that region.
Very nice feel and medium hardness not to soft and not to hard.
Very good stone that can be used on everything,
finisher for razors, Finishers on knives and tools
Produce super nice finish and quite easy to use
Super nice size for the Razors that deliver amazing crisp edge that comparable to Nakayama
No toxic lines or inclusions at all !
Best With nagura
max Size: 192mm 50mm 25mm