Unknown Fine Grit Japanese Natural Sharpening Stone 2lb. 14oz.
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Unknown Fine Grit Japanese Natural Sharpening Stone 2lb. 14oz.

$255.00
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Please see more detail the video below:     Unknown Fine Grit Japanese Natural Sharpening Stone 2lb. 14oz. 212mmx74mmx38mm           It is used an old Japanese natural fine grit sharpening stone.       Hardness-------------8.6 It raises very good amount of black slurry quickly. It looks it does not need tomo nagura or the device to raise the slurry (worn Diamond lapping stone). (Scale; 1 to 10, 1-3 is very soft muddy rough grit whetstone 3-6 is soft medium grit whetstone, 6-8 is hard medium grit whetstone; 8-10 is fine grit whetstone) Particle Size----------8.9 It makes my blue II steel kasumi blade knife Jigane became light silver color to light color silver finish, and Hagane became from semi-mirror finish to mirror finish. It is not too hard and not too soft stone.   (Scale; 1 to 10, 1-3 give deep scratch marks to the steel, 3-5 is delete the 1-3 scratches, 5-8 makes 3the steel cloudy, 8-10 makes the steel semi-mirror finish or mirror finish) Natural whetstone has wider capacity t

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