Japanese natural whetstones Ohira Renge Koppa ORK1
Greyish color with some Renge double sided Ohira can be use both side with different hardness. Very fast great finishing stone for cloudy light mirror finish. Convenient as a traveler stone as well.
Hardness: 3/3.5//5
Speed: 4/5
Smooth: 4/5
Finesse: 4/5
Size: 157mm(L) x 56mm(W) x 22mm(H)