Experience the power, precision, and craftsmanship of an authentic Japanese fish knife.
This Aritsugu Betsuuchi Deba 135mm (5.3") is handcrafted in Japan using Blue Steel #2 (Aogami #2), a traditional high-carbon steel prized by professional chefs for its exceptional sharpness, hardness, and excellent edge retention.
Designed as a traditional single-bevel Japanese Deba knife, its thick spine and substantial blade provide the strength and control needed for breaking down fish, removing heads, cutting through small fish bones, and separating joints.
Its compact 135mm blade is especially easy to control, making it ideal for preparing small to medium-sized fish and poultry.
Whether you are a sushi chef, Japanese cuisine professional, or serious home cook, this Deba delivers the strength and precision required for authentic fish preparation.
»Why You'll Love This Aritsugu Deba
1️⃣ Authentic Tsukiji Aritsugu
100% authentic Aritsugu knife, made in Japan.
2️⃣ Blue Steel #2 (Aogami #2)
Premium Japanese high-carbon steel known for exceptional sharpness, hardness, and long-lasting edge retention.
3️⃣ Professional Single-Bevel Blade
A traditional right-handed blade designed for precise fish butchery and clean filleting.
4️⃣ Purpose-Built for Fish Preparation
Ideal for removing fish heads, filleting, cutting through small fish bones, and separating joints.
5️⃣ Thick and Powerful Blade
The approximately 7mm spine provides the strength and stability required for demanding preparation work.
6️⃣ HRC 62± Hardness
Professional-grade hardness for excellent sharpness and edge performance.
7️⃣ FREE Personalized Name Engraving
Have your name hand-engraved on the blade in English, Kanji, or Katakana at no additional charge.
8️⃣ FREE Sabitoru Rust Eraser
A Japanese rust eraser is included to help you care for your carbon-steel knife.
9️⃣ FREE Worldwide Shipping
Shipped from Japan with tracking and insurance.
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»Who Is This Knife For?
This Deba is especially recommended for:
✓ Professional chefs
✓ Sushi and Japanese cuisine chefs
✓ Fishmongers and seafood professionals
✓ Breaking down small to medium-sized fish
✓ Preparing poultry and separating joints
✓ Serious home cooks
✓ Premium gifts for chefs and Japanese knife enthusiasts
The compact 135mm blade offers excellent control and maneuverability while retaining the weight and strength expected from a traditional Deba.
Please note: This is a traditional single-bevel knife designed for right-handed use.
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»Why Blue Steel #2?
Blue Steel #2 (Aogami #2) is one of Japan’s most respected traditional carbon steels.
◆Exceptional Sharpness
Blue Steel #2 can take an extremely sharp and refined cutting edge, allowing for clean and precise fish preparation.
◆Excellent Edge Retention
The steel is designed to maintain its sharpness longer than many traditional carbon steels, reducing the need for frequent sharpening.
◆Professional Performance
With a hardness of approximately HRC 62±, this knife provides the edge performance and durability expected in professional kitchens.
◆Traditional Japanese Carbon Steel
Blue Steel #2 is not stainless and requires proper care. The blade must be washed and dried immediately after use.
In return, it provides the cutting feel, sharpness, and edge retention sought after by professional Japanese chefs.
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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 Blue Steel #2 is a traditional carbon steel, careful maintenance is important.
Every Deba includes a FREE Sabitoru Rust Eraser to help remove light surface rust and maintain the blade.
▶️ A quick video guide on how to use your free rust eraser.
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⭐⭐⭐⭐⭐ Customer Review:
Of course! I am a big fan of Aritsugu and I am glad you offer them here! Also, this purchase is for my father and would like to have it engraved with his name . Thank you so much! — Anderson, USA
▶️ "Read More Customer Reviews"
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Knife Specifications
| Brand: | Tsukiji Aritsugu (made in Japan) All our items are 100% authentic. |
|---|---|
| Included: | Aritsugu Honyaki Yanagiba Knife Paper Box FREE Sabitoru Rust Eraser Care Instructions |
| Optional: | Wooden Saya (Sheath) |
| Knife type: | Betsuuchi Deba / Japanese Fish Butchery Knife |
| Use: |
Fish and chicken |
| Edge: |
Single-edged (Right-handed) |
| Blade Steel: |
Blue Steel #2 / Aogami #2 |
| Bolster: |
Black Water Buffalo Horn |
| Handle: |
Magnolia Wood |
| Overall length: |
Approx. 280 mm (11.02") |
| Blade length: |
Approx. 135mm (5.3") |
| Blade width: |
Approx. 45 mm (1.77") |
| Spine Thickness: |
Approx. 7 mm (0.27") |
| Weight: |
Approx. 200 g (7.05 oz) |
| Hardness: | HRC 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 Knife
Blue Steel #2 is a high-performance carbon steel and requires proper care.
✓ Hand wash immediately after use
✓ Use mild dish soap and a soft sponge
✓ Wipe the blade completely dry
✓ Never put the knife in a dishwasher
✓ Avoid leaving the blade wet
✓ Remove light surface rust with the included Sabitoru Rust Eraser
✓ For long-term storage, apply a thin layer of knife-safe oil such as camellia oil
✓ Store the knife in its Saya only after the blade is completely dry
With proper care, an Aritsugu knife can provide many years of exceptional 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 a Deba knife used for?
A Deba is a traditional Japanese knife designed for breaking down and filleting fish. It can be used to remove fish heads, cut through small fish bones, and separate poultry joints.
What is Blue Steel #2?
Blue Steel #2, also known as Aogami #2, is a premium Japanese high-carbon steel known for its exceptional sharpness, hardness, and excellent edge retention.
Will Blue Steel #2 rust?
Yes. Because it is carbon steel rather than stainless steel, it can develop rust if left wet. Always wash and thoroughly dry the knife immediately after use.
Is this knife suitable for professional chefs?
Yes. Its Blue Steel #2 blade, traditional single-bevel construction, thick spine, and approximately HRC 62± hardness make it suitable for experienced cooks and professional kitchen work.
Is this knife right-handed or left-handed?
This knife has a traditional single-bevel edge designed for right-handed use.
Can I use it to cut bones?
It is suitable for small fish bones and poultry joints. Do not use it to chop frozen food, large animal bones, or other extremely hard materials.
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?
A wooden Saya (sheath) is available as an option.
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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»Master Traditional Japanese Fish Preparation
The Aritsugu Betsuuchi Deba 135mm Blue Steel #2 combines traditional Japanese craftsmanship, professional cutting strength, outstanding edge retention, and personalized hand engraving.
Its compact yet powerful blade is designed for chefs and serious cooks who need precision and control when breaking down fish.
Order your authentic Aritsugu Betsuuchi Deba today and add your FREE personalized engraving.
