Hideriyama is a mine that produce more softer stones then other mines.
It is very good stones for Kitchen knifes !
This one is Huge raw stone that is super nice for Honyakis and western kitchen knifes.
Makes perfect haze to Kasumi knifes and very good contrast on Hamon with Honyakis.
This one is very very clean and very smooth !
Very big stone !!
Max size: 185mm 150mm 30mm