And they share the same problems: they damage sharpening stones and they are damaged by sharpening stones

soak the stone in water for 1-2 minutes

Shiramine 6000 is part of Suehiro traditional Waterstone series which includes Kouga 3000

What happened with Hydra Series

Waterstone bundles

ruby ceramic stone for kmex And they share the sameRuby Ceramic Sharpening Stones are used for sharpening knives on KME and Hapstone knife sharpeners. Ruby stones are made of Alumina ceramic with a high hardness rating and estimated grit approximately 3000 JIS. Ruby Ceramic scarcely wears over time. Extra fine ceramic stones provide a super finish for the cutting edge. Ruby Ceramic is preliminarily lapped and does not require lapping after purchase. Ruby Ceramic stones should be used with oil as a