Japanese natural whetstones Ohira Koppa OHI6
Mixes of red and green color with little Namazu.
One corner is missing and it will wobble a little.
Easy to use soft stone even for beginner.
Makes hazy kazumi finish without much effort.
The width is wider on this one.
Hardness: 2.5/5
Speed: 3/5
Finesse: 3/5
Size: 132mm(L) x 10.7mm(W) x 28mm(H)