Hatsukokoro | SKU: HATS_KRKZ_W2_KDE165

Hatsukokoro Kurokaze Blue 2 Kurouchi K Tip Deba 165mm Double Bevel

₩186,000

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.

St Peters, NSW —
2 Bishop St, Unit 2, St Peters NSW 2044
+61 2 8234 8818
Crows Nest, NSW —
107 West St, Shop 1, Crows Nest NSW 2065
+61 2 8234 8848
Pickup only
Prahran, VIC —
180 Commercial Road, Shop 1, Prahran VIC 3181
+61 3 8199 9948
Pickup only

Detailed Specifications

Profile	K-tip Deba / Japanese Fish Knife
Bevel Type	Double Bevel
Weight	256 g \| 9.0 oz
Edge Length	165 mm \| 6 1/2″
Heel Height	53 mm \| 2 3/32″
Width @ Heel	5.8 mm \| 15/64″
Width @ Mid	4.8 mm \| 3/16″
Width @ 1cm from Tip	2.0 mm \| 5/64″
Steel	Blue 2 / Aogami #2 \| Carbon
Hardness (HRC)	61 - 63
Handle	Octagonal Wenge Handle Black Ferrule

Free shipping for knives over AU$200 Australia wide.
World-wide shipping via DHL Express, 3 to 5 days.

Care Instruction

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

Profile

K-tip Deba

Japanese Fish Knife

A Deba(出刃) knife is a traditional Japanese kitchen knife specifically designed for butchering fish, though it can also be used for poultry and other meats with smaller bones. Deba typically have a single bevel blade, meaning there is a bevel on one side and Ura or concavity on the other. This design is intended for right-handed use, though left-handed versions are available by special order. Commonly, Deba are made in sizes ranging from 150mm to 210mm, length longer than that is available, but those would be extremely unwieldy due to the weight. This weight comes from the thick blade of the Deba, and the thickness gives these knives the necessary strength and weight needed for beak apart the whole fish. The K-tip Deba is a rather uncommon variant of the standard Deba, it utilises the advantage of the k-tip design to create a Deba that can do find cutting and precise dissecting with a sharply defined tip. This is very useful when you reach down into the belly of the fish and want to pick out specific parts like the blood near the spine.

Compare with

Blue 2 / Aogami #2

—

1.25% 0.9% 0.6% 0.3% 0

C — Carbon Cr — Chromium W — Tungsten Mn — Manganese Si — Silicon P — Phosphorus S — Sulfur

Manufacturer
- Hitachi Special Steel, Japan
Nature Carbon
Hardness61–63 HRC

Blue Steel No.2, also recognized as Aogami No.2, is a distinguished high carbon steel produced by Hitachi Metals Ltd, enhanced by the addition of chromium and tungsten to the base of White Steel No.2. This modification brings about an improvement in toughness and the creation of hard carbide molecules, which significantly boost edge retention. Although its sharpness is comparable to that of White Steel No.2, Blue Steel No.2 offers a slight advantage in maintaining its edge.

Widely favored for its versatility, Aogami No.2 is celebrated for its ease of sharpening and robust resistance to chipping, making it an ideal choice for those new to Aogami steel knives. Containing 1.0–1.2% carbon and achieving a typical hardness of 62–63 HRC on the Rockwell scale, it stands as the benchmark in evaluating Aogami steel cutlery.

Handle

Octagonal Wenge Handle Black Ferrule

Profile Octagonal WA
Material
- Wenge

Octagonal wenge wood handles on kitchen knives offer a combination of functionality and aesthetics tailored specifically for culinary tasks. Crafted from durable wenge wood, these handles ensure longevity and resilience to the rigors of kitchen use, standing up to moisture, heat, and frequent handling. The octagonal shape isn't just about style; it's designed to fit comfortably in the hand, providing a secure grip and optimal control, enhancing the user's culinary precision.

In the kitchen, where attention to detail is paramount, the ergonomic design of the wenge wood handle becomes particularly advantageous. Whether slicing, chopping, or mincing ingredients, the handle's comfortable grip minimizes hand fatigue and enables the chef to maintain a steady hand for consistent and precise cuts.

Visually, the dark hue and distinct grain pattern of wenge wood add a touch of elegance to any kitchen knife. The natural beauty of the wood complements the blade, creating a striking contrast that elevates the overall aesthetic appeal of the knife.

Furthermore, the balance achieved by the octagonal shape of the handle enhances the knife's maneuverability, allowing for smooth and controlled cutting motions. This balance is essential for achieving uniform slices and enhancing the overall user experience in the kitchen.

In summary, a wenge wood handle on a kitchen knife combines durability, comfort, and style, making it a practical and visually appealing choice for home cooks and professional chefs alike.

Frequently asked questions

Will a carbon steel knife rust, and how do I look after it?

Yes - carbon steels such as Aogami (Blue) and Shirogami (White) react with food, moisture, and acids. Left wet they can spot or rust, and with normal use they develop a grey-blue patina. That patina is expected and is part of owning a carbon-steel knife; it is not damage.

Care is simple once it becomes habit: hand-wash in warm water, never leave the knife soaking or sitting in a wet sink, and dry it thoroughly the moment you finish. Avoid the dishwasher entirely, and wipe the blade between tasks when you are cutting acidic foods like citrus, tomato, or onion.

If the knife will sit unused for a while, wipe a very thin film of food-safe camellia oil (or a neutral mineral oil) onto the blade before storing it. A light surface rust spot lifts easily with a rust eraser or a little Bar Keepers Friend; sustained neglect is the only thing to really avoid.

Carbon steel rewards this small amount of attention with a keener edge and easier sharpening than most stainless. If you would rather not think about maintenance at all, ask us about stainless or stainless-clad options instead.

Blue 2 vs White 2 steel for Japanese kitchen knives

Blue 2 (Aogami #2) and White 2 (Shirogami #2) are both Hitachi high-carbon steels, but Blue 2 adds chromium and tungsten to White 2’s base, giving it noticeably better edge retention while keeping similar sharpness. The trade-off is that Blue 2 is slightly more abrasion-resistant during sharpening, so it takes a little more time to refine an edge, whereas White 2 is easier to sharpen and can take a finer, more aggressive edge but dulls faster in use.

Reviewed by James Zhang & K&S staff · Last updated 22 July 2026

We trust this information is correct at the time of writing, but it is not an official document and details may change without notice. If you spot an error, tell us and we'll fix it.

Hatsukokoro Kurokaze Blue 2 Kurouchi K Tip Deba 165mm Double Bevel

Availability

Detailed Specifications

K-tip Deba

Blue 2 / Aogami #2 Element Composition

Blue 2 / Aogami #2

Octagonal Wenge Handle Black Ferrule

Frequently asked questions

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Hatsukokoro Kurokaze Blue 2 Kurouchi K Tip Deba 165mm Double Bevel

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