Minonokuni Ume 8.3-inch (210mm) Kama-Usuba

The 210mm Ume kama-usuba is a full-size Kansai vegetable knife for a cook who preps vegetables in quantity and wants a forgiving steel to learn on. Its length handles cucumber and daikon sheets for sushi, and its tip handles the garnish work.

Kama-usuba knives are lighter than a square usuba of the same length because the spine is rounded down toward the tip. The flat section of the edge does the push cutting and katsuramuki, and the point reaches into a vegetable for carving and scoring.


Which Line?

The three standard Minonokuni lines suit different cooks. Ume is the most forgiving and the best for learning to sharpen, which makes it a good choice for a novice or a cook new to single-bevel knives. The Take 210mm kama-usuba is the sweet spot for cooks ready for harder white steel, and the Matsu 210mm kama-usuba is for experienced hands.

The Ume 180mm kama-usuba is lighter. For square-tipped work at this length, see the Ume 210mm usuba. See the knife shapes guide for the square and pointed usuba.

SKU: Ume-1597

Availability: In stock

$135.00
  • Details

    Specifications

    • Series: Minonokuni Ume
    • Shape: Kama-usuba, Kansai style (single-bevel vegetable knife with a pointed tip)
    • Blade length: 210mm (8.3 inches)
    • Steel: SK-4 carbon steel (yellow paper steel); not stainless
    • Hardness: 58-60 HRC
    • Grind: Single bevel with an urasuki (hollow-ground) back, ground for right-handed use
    • Spine thickness: 4.2 mm (0.17 inch)
    • Blade height: 49 mm (1.93 inches)
    • Weight: 8.55 ounces (242 g)
    • Handle: Oval (D-shaped) ho (Japanese magnolia) wood with a polycarbonate ferrule
    • Item number: Ume-1597
    • Made in: Japan

    Ume Kama-Usuba Sizes

    KnifeBladeHandSuited to
    Ume 7.1-inch (180mm) Kama-Usuba180mm (7.1 in.)RightHome boards, garnish work
    Ume 7.1-inch (180mm) Left-Handed Kama-Usuba180mm (7.1 in.)LeftHome boards, garnish work
    Ume 8.3-inch (210mm) Kama-Usuba210mm (8.3 in.)RightProfessional prep with detail work

    Matsu, Take and Ume Compared

    LineSteelHardnessBest for
    MatsuAogami #2 (blue)63-65 HRCExperienced single-bevel users; longest edge retention, most delicate
    TakeShirogami #2 (white)60-62 HRCThe sweet spot; professional use, less brittle than blue
    UmeSK-4 (yellow)58-60 HRCNovices; most forgiving and the best for learning to sharpen

    About a Hand-Forged Knife

    Ume knives are made by hand rather than mass-produced on equipment. Expect visible forging marks, some unevenness in the finish and small differences between one knife and the next. These are part of the character of a hand-made knife and do not affect its performance.


    Before First Use

    Wash the knife with warm water and mild soap, then dry it completely. The edge and tip arrive sharp; a light pass on a fine waterstone refines them further.


    Tips for Best Results

    • Use the flat section of the edge for push cuts and katsuramuki, and the tip for scoring and carving.
    • Do not pry with the tip or use it on frozen food.
    • Sharpen the beveled face with the curve of the tip following the stone, then remove the burr on the flat back.
    • Cut on wood or a soft synthetic board.

    Care

    • Wash the knife by hand and wipe it dry as soon as the cutting is done. Do not use a dishwasher.
    • Carbon steel will discolor and develop a patina with use, and it rusts if left damp, so dry the blade between tasks.
    • Oil the blade lightly with camellia oil if it will sit unused.
    • Read more about the care and maintenance of carbon steel knives.

    Additional Info

    Blade Length (Inches) 8.3 in.
    Blade Length (mm) 210 mm
    Blade Width (inches) No
    Grind Urasuki Chisel
    Steel Type SK-4 Carbon
    Rockwell Hardness 58-60
    Stainless No
    Handle Material Japanese Magnolia (Ho Wood)
    Spine Thickness (mm) No
    Brand Minonokuni
    Country of Manufacture Japan
    SKU Ume-1597
    Manufacturer's Part Number 1597
    Manufacturer's Suggested Retail Price No

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