Size:169mm x77mm x32mm
Weight: 1036g
Hardness: Lvl 4
Perfectly finished type koppa
It is made in Nakayama, a famous brand of the highest quality.
This is a rare Suita from Nakayama.
It is very hard as Suita. It is also comparable to Nakayama tomae in the fineness of its particles.
It is also the highest grade for sharpening kitchen knives.
The sharpening feeling is unique and elastic.
It is very easy to sharpen.
The sharpening juice is pitch black.
Mirror finish is possible.
It is long and wide, so it is a convenient size for knife sharpening.