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DUAL STONE is the whetstone that has lost fine voids as much as possible by manufactured in baking method.
It has both property of hardness of Oilstone & grinding power of Water whetstone.
It's possible to grind by only putting the few drops of oil or water on the wheel face and start sharpening.
If you are in the place like there has no oil or water, you can even sharpen your knife by saliva.
This is the best stone for small knife & scissors.
You can also sharpen knives or fish hooks in outdoors when you put this stone in your pocket.
Serrated edge are also sharpenable by using side of comb shaped whetstone.
It's easy using, you don't need to soak it in the water or oil before grinding as like whetstone from the past.
Don't move the knives when you sharpen it, move the stone to make it easier.
Brand : SUEHIRO
Type : Rough (Arato) - Medium Finishing(Nakato)
Stock number : DS-1A
Grain Size : #4000（stick） #600（Comb type）
Stone size : 115x10x6mm(Stick） 100x25x6（2）mm(Comb)）
JAN code : 4966684070004
MADE IN JAPAN
Order to maintain a good sense of sharpening, please clean the surface by flushing mud with a water, and use Surface modification grindstone after use.