This authentic Tsukiji Aritsugu Usu Deba features a thinner and lighter blade than a traditional heavy Deba.
Its 150mm single-bevel blade offers excellent control when cleaning, filleting and portioning fish.
The blade is made from White Steel #3, a high-carbon steel valued for its sharp cutting edge and ease of resharpening.
The traditional magnolia wood handle and water buffalo horn bolster provide a comfortable, secure grip.
Its compact size and lightweight construction make this knife suitable for both professional chefs and home cooks who regularly prepare small to medium-sized fish.
»Why You'll Love This Aritsugu Usu Deba
1️⃣ Authentic Tsukiji Aritsugu
100% authentic Aritsugu knife, made in Japan.
2️⃣ White Steel #3 (Shirogami #3)
Traditional Japanese high-carbon steel known for exceptional sharpness and excellent sharpening response.
3️⃣ Professional Single-Bevel Blade
Designed for precise, clean cuts through fish and meat.
4️⃣ HRC 62± Hardness
Professional-grade hardness for excellent sharpness and edge performance.
5️⃣ FREE Personalized Name Engraving
Have your name hand-engraved on the blade in English, Kanji, or Katakana at no additional charge.
6️⃣ FREE Sabitoru Rust Eraser
A Japanese rust eraser is included to help you care for your carbon-steel knife.
7️⃣ FREE Worldwide Shipping
Shipped from Japan with tracking and insurance.
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»Who Is This Knife For?
This Usu Deba is especially recommended for:
✓ Professional chefs
✓ Sushi and Japanese cuisine chefs
✓ Cleaning and filleting fish
✓ Removing fish heads and fins
✓ Portioning small to medium-sized fish
✓ Precise preparation of fish and poultry
✓ Japanese knife collectors and enthusiasts
✓ Premium gifts for chefs and serious cooks
Please note: This is a thin Deba knife. Do not use it to cut frozen food, very hard bones or other hard materials, as this may damage the blade.
White Steel #3 is a high-carbon steel and is not stainless. Wash and dry the knife immediately after use.
Applying a small amount of food-safe knife oil before long-term storage can help prevent rust.
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»Why Choose an Usu Deba?
An Usu Deba (Thin Deba) is a lighter and thinner version of the traditional Japanese Deba knife.
◆Thin and Lightweight Blade
Its thinner blade makes it easier to control, reducing hand fatigue during detailed fish preparation.
◆Excellent Precision
The single-bevel edge allows clean, precise cuts when cleaning, filleting and portioning fish.
◆Ideal for Fish Preparation
The 150mm blade is especially suitable for preparing small to medium-sized fish at home or in a professional kitchen.
◆Sharp White Steel #3 Blade
Made from traditional White Steel #3, the blade offers excellent sharpness and responds well to sharpening.
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✨FREE Personalized Name Engraving
Make your Aritsugu knife truly yours.
Our artisans can hand-engrave your name on the blade FREE of charge.
Available in:
✓ English
✓ Kanji
✓ Katakana
A personalized Aritsugu knife also makes an unforgettable gift for a chef, culinary professional, or Japanese knife enthusiast.
Enter your desired name when ordering.
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✨FREE Sabitoru Rust Eraser
Because White Steel #2 is a traditional carbon steel, proper maintenance is important.
This knife includes a FREE Sabitoru Rust Eraser to help remove light surface rust and maintain your knife.
▶️ A quick video guide on how to use your free rust eraser.
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⭐⭐⭐⭐⭐ Customer Review:
Wonderful knife, perfectly sharpened. all the best, thank you!! — plan9, Germany
▶️ "Read More Customer Reviews"
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Knife Specifications
| Brand: | Tsukiji Aritsugu (made in Japan) All our items are 100% authentic. |
|---|---|
| Included: | Aritsugu Usu Deba Knife Paper Box FREE Sabitoru Rust Eraser Care Instructions |
| Knife type: | Usu Deba / Thin Deba |
| Use: | Fish and chicken |
| Edge: | Single-bevel edge |
| Blade Steel: | White Steel #3 / Shirogami #3 |
| Bolster: | Black Water Buffalo Horn |
| Handle: | Magnolia Wood |
| Overall Length: | Approx 290 mm (11.41") |
| Blade length: | Approx 150 mm (5.90") |
| Blade width: | Approx 50 mm (1.96") |
| Spine Thickness: | Approx 3 mm (0.11") |
| Weight: | Approx 130 g (4.58 oz) |
| Hardness: | 62± |
*Because each knife is individually handcrafted, slight variations in appearance, color, dimensions, and finish may occur.
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»How to Care for Your Aritsugu Usu Deba Knife
White Steel #3 is a traditional high-carbon steel that offers excellent sharpness but requires proper care.
✓ Hand wash immediately after use
✓ Wipe the blade completely dry
✓ Never put the knife in a dishwasher
✓ Do not leave the blade wet
✓ Avoid cutting frozen food or very hard bones
✓ For long-term storage, apply a thin layer of knife-safe oil, such as camellia oil
✓ Store the knife in a dry environment
With proper use and care, your Aritsugu Usu Deba can provide many years of excellent cutting performance.
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»Authentic Aritsugu – Made in Japan
Every Aritsugu knife we sell is 100% authentic.
We are a legally registered business in Japan and ship directly from Japan to customers around the world.
Your knife is carefully packed for international shipping and sent with tracking and insurance.
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»Frequently Asked Questions
Is this an authentic Aritsugu knife?
Yes. We sell 100% authentic Aritsugu knives made in Japan.
What is an Usu Deba?
An Usu Deba is a thinner and lighter version of a traditional Japanese Deba knife. It offers greater control and is ideal for precise fish preparation.
What is White Steel #3?
White Steel #3, also known as Shirogami #3, is a traditional Japanese high-carbon steel valued for its sharp cutting edge and ease of sharpening.
Will White Steel #3 rust?
Yes. Because it is carbon steel rather than stainless steel, it can rust if left wet. Always wash and thoroughly dry the knife immediately after use.
Is this knife suitable for professional chefs?
Yes. Its 150mm blade, traditional single-bevel construction, White Steel #3 blade and approximately HRC 62± hardness make it suitable for professional chefs and experienced home cooks.
Is this knife right-handed or left-handed?
This is a traditional single-bevel knife. Please confirm the available hand orientation before placing your order.
Is name engraving free?
Yes. Personalized name engraving is available FREE of charge.
Can you engrave English names?
Yes. We can engrave names in English, Kanji, or Katakana.
Does it include a Saya?
No. A wooden Saya (sheath) is not included with this knife.
Do you ship internationally?
Yes. We offer FREE worldwide shipping from Japan with tracking and insurance.
Are import duties included?
Import duties, taxes, and customs charges are not included and, when applicable, are the buyer's responsibility.
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»Own an Authentic Piece of Japanese Craftsmanship
The Aritsugu Usu Deba 150mm White Steel #3 combines traditional Japanese craftsmanship, precise fish-cutting performance, and personalized name engraving.
Designed for professional chefs and knife enthusiasts who appreciate excellent control, sharpness, and the tradition behind an authentic Japanese blade.
Order your authentic Aritsugu Usu Deba today and add your FREE personalized engraving.
