Japanese natural whetstones Nakayama Karasu Koppa NKK2
Thick Koppa with Kyoto Natural Whetstone Association stamped on one side and one end. One corner is slightly peel off and another is slightly chop off. Karasu layer almost filled to the bottom. Some thin Kawa skin is at the bottom. This is a hard finishing stone for razors or tools and best to use with Nagura.
Size: 161mm(L) x 93mm(W) x 34mm(H)