Morihei have advised that the line does nee to be avoided, it can be scratched out to use the entire stone. Karasu pattern and great finish apart from this.
- Morihei Japan Natural Stone
- Ohira Uchigumori
- Serial # 03710
- Kyoto, Japan
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Recommended Usage: Plane, Chisels, Kiridashi
Hardness (5=very Hard) : 4
Grain Scale (5=Very Fine) : 3.5
Sharpening Speed (5=Very Fast) : 4 - Whetstone Size: 130 x 135 x 22mm (L x W x Th)
- Whetstone Weight: 0.792 kg
- Mined in Japan
Japanese Sharpening Stones (Whetstones)
The consensus for sharpening Japanese kitchen knives, as well as Japanese woodworking tools, is the use of a whetstone. Dry grinding can affect temper (effectively ruining your knife or tool) and diamond plates are often too aggressive (removing too much material).
All Japanese whetstones will require flattening after use, no matter what type of stone, or the style of your sharpening, all whetstones will begin to dish over time. We recommend a ceramic flattening stone, or diamond plate for this task. For more info, check out Selecting a Japanese Whetstone.
* 1 Only, as Pictured.
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