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Tsunehisa  |  SKU: TNHS_W1TS_GY24_EB

Tsunehisa White 1 Stainless Clad Tsuchime Gyuto 240 mm Ebony Handle

Regular price $7,170.00

IMPORTANT: Carbon steel knives can rust or patina quickly if not cared for properly. They require regular cleaning, drying, and oiling. If you are unfamiliar with carbon steel maintenance, we recommend choosing a stainless steel option instead.

Availability

  • St Peters, NSW
    2 Bishop St, Unit 2, St Peters NSW 2044
  • Crows Nest, NSW
    107 West St, Shop 1, Crows Nest NSW 2065
    Pickup only
  • Prahran, VIC
    180 Commercial Road, Shop 1, Prahran VIC 3181
    Pickup only
Detailed Specifications
Line To Be Added - Stainless clad
Profile Gyuto / Chefs Knife
Bevel Type Double Bevel
Weight 183 g | 6.5 oz
Edge Length 245 mm | 9 41/64″
Heel Height 48 mm | 1 57/64″
Width @ Heel 1.9 mm | 5/64″
Width @ Mid 1.8 mm | 5/64″
Width @ 1cm from Tip 1.2 mm | 3/64″
Steel White 1 / Shirogami #1 | Carbon
Blade Construction To Be Added
Hardness (HRC) 62 - 65
Surface Finish To Be Added
Handle Octagonal Ebony
Best for
  • To Be Added
  • Free shipping for knives over AU$200 Australia wide.
  • World-wide shipping via DHL Express, 3 to 5 days.


We are testing this product and working on a description that fits it, please look forward to it.

Pros Cons
  • To Be Added
  • To Be Added
Care Instruction
  1. Don't cut hard things! Japanese knives are brittle so bone hacking is a NO NO!
  2. Wash with neutral detergent after use, and wipe dry;
  3. Please don't wash knife with dishwasher, it will damage the wood handle;
  4. Be careful not to leave the knife close to a heat source for a long time;
  5. It is a lot more dangerous to cut with a blunt knife than a sharp knife!
  6. It is best to sharpen a Japanese knife regularly on a waterstone.
  7. Oil the (carbon) knife if storing for an extended period of time to prevent rust.
Profile: Gyuto
Profile

Gyuto

Chefs Knife

A Japanese chef's knife is known as a gyuto (牛刀 ぎゅうとう) gyūtō), literally meaning 'beef knife'. Its blade resembles a flatter version of a French chef's knife. Japanese cutlery is known for sharpness due to its acute blade geometry, and the hardness of the steel used, sometimes exceeding 60 HRC on the Rockwell Scale A typical western chef's knife may be sharpened to an edge angle of 20-22°, while a Japanese gyuto generally has a sharper edge angle of 15-18° (or even lower), which requires a harder, more brittle grade of steel. In recent years Japanese gyuto have gained in popularity with western chefs.

A modern chef's knife is a multi-purpose knife designed to perform well at many differing kitchen tasks, rather than excelling at any one in particular. It can be used for mincing, slicing, and chopping vegetables, slicing meat, and disjointing large cuts.
Composition

White 1 / Shirogami #1 Element Composition

Compare with
    White 1 / Shirogami #1
    1.3% 1.0% 0.7% 0.3% 0
    C Carbon 1.3%
    Primary hardening element. Raises hardness and wear resistance — but too much increases brittleness and corrosion susceptibility. As a reference: German 1.4112 (~0.5%) sits at the low end; VG-10 (~1.0%) is a common mid-range; SG2 (1.25–1.45%) and ZDP-189 (~3.0%) represent high and extreme ends respectively.
    C
    1.3%
    Mn Manganese 0.25%
    Aids hardenability and strength. Acts as a deoxidiser during smelting. Excess can reduce toughness.
    Mn
    0.25%
    Si Silicon 0.15%
    Strengthens the steel matrix and acts as a deoxidiser. Improves hardness and resistance to oxidation.
    Si
    0.15%
    P Phosphorus 0.025%
    Impurity from the smelting process. Even small amounts cause brittleness — steelmakers keep this as low as possible.
    P
    0.025%
    S Sulfur 0.004%
    Impurity that reduces toughness and promotes brittleness. Intentionally added only in free-machining steels.
    S
    0.004%
    C — Carbon Mn — Manganese Si — Silicon P — Phosphorus S — Sulfur
    Hardness 62–65 HRC
    555759616365+
    Steel
    White 1 / Shirogami #1
    Category
    Carbon
    Manufacturer
    Hitachi Special Steel, Japan 🇯🇵
    Hardness
    62–65 HRC
    Steel

    White 1 / Shirogami #1

    • Manufacturer
      • Hitachi Special Steel, Japan
    • Nature Carbon
    • Hardness62–65 HRC
    White Steel #1, also known as Shirogami #1, stands out in the realm of high-end Japanese cutlery materials for its exceptional purity and performance. It is an advanced version of White Steel No.2, achieved through further refinement and an increased carbon content. This additional carbon allows White No.1 to attain a slightly higher hardness (HRc) than its predecessor, enhancing its ability to be sharpened to an extremely fine edge. However, this increase in carbon also introduces a bit more brittleness to the steel. Despite this, White No.1 is highly favored by professional chefs, especially those specializing in traditional Japanese cuisine, due to its superb edge retention and ease of resharpening. Unlike its Blue Steel counterparts, White No.1 lacks chromium and tungsten, focusing instead on achieving the highest possible sharpness. This characteristic, while offering unparalleled sharpness, means it is more reactive and requires careful maintenance, including prompt wiping and drying after use, to prevent corrosion.
    Construction

    To Be Added

    To Be Added

    Finish: To Be Added
    Finish

    To Be Added

    To Be Added

    Handle
    Handle

    Octagonal Ebony

    • Profile Octagonal WA
    • Material
      • Ebony

    This handle, crafted from a single piece of ebony, exemplifies minimalist elegance and functional design. Its unique octagonal shape, featuring a subtle taper, offers a comfortable grip and a visually appealing geometric profile. The ebony wood, known for its deep, rich color and durability, has been meticulously milled from a single block, ensuring a seamless construction that highlights the wood's natural beauty and grain. The handle's surface has been highly polished, achieving a glossy finish that not only enhances the ebony's luxurious dark hue but also provides a smooth, tactile experience for the user. This design choice reflects a minimalist approach, focusing on simplicity, quality, and usability. The combination of the octagonal shape with the taper adds a modern twist to the classic material, making it a standout piece that blends traditional craftsmanship with contemporary aesthetics.

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    Frequently asked questions

    Gyuto or santoku - which should I choose?

    Both are all-purpose Japanese knives, and for most home cooks either will handle the bulk of daily prep. The choice comes down to length, blade shape, and how you like to cut.

    A gyuto is the Japanese chef's knife - typically 210 to 240mm with a gently curved edge that lets you rock and slide through cuts as well as chop. The extra length and pointed tip give you reach and versatility, from proteins to large produce.

    A santoku is shorter, usually 165 to 180mm, with a flatter profile and a rounded sheep's-foot tip. It rewards a straight up-and-down push cut, feels nimble in smaller hands or tight kitchens, and is the classic Japanese household knife.

    Rule of thumb: choose a gyuto if you want one do-everything knife with more reach, or a santoku if you prefer a compact, easy-to-control blade. Plenty of our customers end up owning both.

    What is a Gyuto, and what is it used for?

    A gyuto is the Japanese chef's knife — a double-bevel general-purpose kitchen knife. The name literally means "beef sword," and it's still a fair job description: you use it to slice meat, chop vegetables, dice aromatics, and break down fish. If you own one good knife, this is the shape it should be.

    Versus a typical Western chef's knife, a gyuto is thinner behind the edge, sharpened to a keener angle (roughly 15–18° rather than 20–22°), and usually made from harder steel — often above 60 HRC. That's what makes it slice so cleanly: less crushing, less tearing. The trade-off is a more brittle edge, so it asks to be honed and sharpened more attentively than a soft Western blade.

    Blades run from compact 150mm to long 240mm, but for a home kitchen I'd start at 210mm — my sizing FAQ explains why.

    What size gyuto should I buy?

    In a home kitchen I'd pick a 210mm gyuto. It's the sweet spot: long enough for a full slicing stroke, short enough to stay nimble on a normal cutting board and easy to control while you're still building your technique.

    Step up to a 240mm only if you regularly break down large cuts — roasts, whole fish, big vegetable prep. The extra length means longer strokes and fewer passes, but it also means more weight and a bigger board; if the tip is hanging off your bench you're fighting the knife, not cooking with it. If you're mainly doing vegetables and portions, the 240 gives you nothing you'll use.

    For a first gyuto, buy a well-made stainless one around 210mm in the low hundreds. Traditional carbon steels (white and blue paper steel) cut and sharpen beautifully, but they rust if you leave them wet — learn one variable at a time. Better steel is step two.

    240mm vs 210mm gyuto — which size should I choose?

    My call: get the 210mm. I only steer people to a 240mm when they regularly break down roasts, poultry, or whole fish — that's the one job where the extra 30mm genuinely changes how you work.

    The trade-off is stroke length versus handling. A 240 slices through a big piece of meat in one or two long draws; a 210 does the same job with more passes but much lighter handling, and fine work — herbs, small dice — stays quick instead of feeling like more knife than you need. The 240 also wants a bigger board, or its tip hangs off the edge and you compensate without noticing.

    Longer is not more professional, it's just for bigger food. If you cook like most home cooks, the 210 is the knife you'll reach for every day, and choosing it is a decision, not a compromise.

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