Originally Posted by
Euclid440
“The good folks on the German forums seem to like the 10k Naniwa better than the 12k. I have both. The 10k is softer, it does not seem to be the same base as the 12, and the edge is not that much different. Maybe smoother, maybe not. Anyone else have/use both?”
I have a couple 12k Naniwas an old pink one and a new white one, they are not the same. The old pink one seems softer and capable of a higher, near mirror finish than the new white one.
I don’t have a Naniwa 10k but do have an old King Ice Bear 10k. The King 10 k can produce a near mirror, similar to the Pink, Naniwa 12k.
Now the 8k Snow White Junpaku is a Magnesium stone, also capable of producing a near mirror, even finer and higher polish than the new Nanawia 12k.
...
My go to progression for razors is a King 1k, 4k Nubatama and 8k Naniwa Snow White. From the 8k I go to a natural finisher, usually a Jnat.
So, unless you are using either one as a finisher, both will finish well, with paste, very well. If you are jumping off to a natural, it does not matter.
I doubt the 10k Chosera is $275 better. I would buy the 8kJunpaku and put the $175 savings towards a SG20.