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  • JNAT 03 Shohonyama Ozuku

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    Notes & Photos

    "Jnat 3"

    Vendor Description

    Japanese Natural Whetstone Shohonyama Ozuku Hard Lv.5.0 60'size 946g from Kyoto.

    This is  Ozuku Lv5.0 60'size finishing stone from Kyoto, For Finishing the Razor. Very hard, the water absorb is slow, slurry also comes out slowly. Better going on with Nagura. Apart from the sharpening face sealed lightly. Please note that these are not for beginner sharpeners since they're harder to use. These are natural stones meaning that every single one of them are different so my measured size are not accurate. This is a life time investment for people who lives sharpening their  tools, do not hesitate to ask me your questions.”

    Dimension : 70mm×198mm×25mm ( Approx.) 

    • Weight: 946g 
    • Grit size: Extremely fine 8000~10000
    • Excellent finishing stone for razors
    • Hardness: 5.0
    • Better go on with Nagura








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  • Heljestrand


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    Condition: hair moistened, tip out/root in

    HHT-0 - shave: The hair can be shaved immediately at the holding point. This is strictly spoken not a true HHT, but it does tell us that the edge is capable of shaving. [all other attempts must be made at least half an inch from the holding point]

    HHT-1 - violin : The hair doesn't cut, but it "plays violin" with the edge. This is due to the shingles catching the edge, but it's not sharp enough to penetrate. On a full hollow razor, a faint ringing sound can be heard. On all razors it can be felt with the fingertips that hold the hair.

    HHT-2 - split: When it is dragged across the edge, the edge catches the hair and splits it lengthwise.

    HHT-3 - catch&pop: When it is dragged across the edge a bit, the edge catches the hair and pops it. The severed part will jump away.

    HHT-4 - pop: The hair is popped immediately when it touches the edge. It still jumps away.

    HHT-5 - silent slicer: The hair falls silently as soon as it touches the edge.

    source: http://coticule.be/hanging-hair-test.html

    Scale Patterns

    Coup Choux Club


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