The Suehiro "Ouka" #3000 Whetstone, sometimes (incorrectly) known as Rika #3000, has the same great feel and smoothness of the Rika 5K, but cuts a bit faster. The #3000 stone...
The Suehiro "Shiramine" #6000 Whetstone, sometimes (incorrectly) known as Rika #6000, is very much true to the Rika 5K performance and popularity. It is a responsive polishing whetstone and a...
