Japanese natural whetstones Ohira Koppa OHI3
Very fast small Ohira Koppa at affordable price.
Medium in hardness and very easy to use stone.
Suitable even for beginner who wish to try natural stone on laminated blade.
Hardness: 3/5
Speed: 4/5
Finesse: 4/5
Size: 129-132mm(L) x 77mm(W) x 22mm(H)