Shinka AO2 Kurouchi Custom Duo
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Shinka AO2 Kurouchi Custom Duo
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SPECIFICATIONS
Knife Style: Gyuto
Blade Length: 210mm
Heel Height: ~47mm
Spine Thickness: ~4.10mm tapered to ~2.00mm
Weight: 184g
Knife Style: Petty
Blade Length: 105mm
Heel Height: ~39mm
Spine Thickness: ~3.40mm tapered to ~1.50mm
Weight: ~90g
Steel Type: Carbon Steel
Blade Material: Aogami Blue #2
Blade Finish: Kurouchi
Blade Hardness: 61HRC (+/-1)
Bevel: Double
Handle: Stabilized Wood
This unique Shinka pairing represents a true one-of-a-kind creation assembled here at Kakushin. Featuring a matching 210mm Gyuto and Petty knife, both blades have been carefully fitted with custom stabilized wood handles showcasing striking blue and green tones that complement one another as a complete set.
There is only one of these duos in existence. Once sold, this exact combination will never be reproduced.
Forged in Japan from Aogami Blue #2 carbon steel and hardened to approximately 61 HRC (+/-1), both knives deliver the cutting performance that has made traditional Japanese carbon steel highly sought after by enthusiasts and professionals alike. Blue #2 is known for its excellent edge retention, ease of sharpening, and responsive cutting feel, providing the kind of feedback and refinement that many knife lovers actively seek.
The dark kurouchi finish preserves the character of the forging process, leaving visible traces of the blacksmith's work throughout each blade. Rather than hiding their handmade origins behind excessive polishing, these knives proudly display the rustic appearance and authentic personality that define traditional Tosa-style craftsmanship.
Each Shinka blade is forged specifically for Kakushin by a fourth-generation Japanese workshop whose roots date back to 1920. Over generations, the focus has remained on practical cutting performance, refined geometry, balance, and durability, creating knives that feel natural and effortless during everyday use.
The 210mm Gyuto serves as the primary workhorse of the kitchen, excelling at vegetables, proteins, herbs, and general preparation. The matching Petty complements it perfectly, offering greater precision for smaller ingredients, trimming, detail work, and in-hand tasks. Together, they form one of the most versatile combinations a cook can own.
What truly sets this duo apart, however, are the custom handles. Crafted from stabilized wood and selected specifically to match as a pair, the vibrant blue and green tones create a visual connection between both knives while ensuring the durability and stability expected from a premium custom build.
A collector's piece, a working set, and a true 1-of-1 creation—once this duo leaves the shop, there will never be another exactly like it.
◻️ Additional Information
Please note that colours, shading, and overall appearance may vary slightly between photos and the product you receive. Lighting, camera exposure, and reflections on materials like steel, epoxy, and wood can all create subtle differences.
Many of our items are handmade, which means each piece has its own character. Minor variations in pattern, texture, or finish are normal and part of the craft.
If you’d like to see additional photos or close-ups of any item, feel free to request them before or after placing your order—especially for one-of-a-kind pieces. We’re always happy to help you choose the perfect knife or handle.
◻️ Sharp Certified
Before our knives are shipped, each one undergoes a rigorous sharpness test to ensure they meet the highest standards of quality. Our BESS Certified sharpness scale will guarantee that your knives deliver the smoothest cuts.
This commitment to sharpness not only guarantees that you receive a product that's ready to perform at its best but also reflects our dedication to delivering excellence in every aspect of our field.
◻️ Shipping & Returns
Every product listed on our website is physically in stock at our shop and typically ships within 24 hours — giving us enough time for sharpening and proper packaging.
The only exceptions are custom knife assemblies or engraving, which may require 3-5 days before shipping. Everything is done in-house, so even with the extra steps, it’s still exceptionally fast.
Canadian orders can say goodbye to unexpected duties, additional customs fees and exchange rate fluctuations; all our prices are clear and upfront.
For international orders, we take care of providing the declarations documents on items from foreign countries.
We know choosing a knife online isn’t always easy. To make things stress-free, we offer a flexible 30-day Return Policy on regular-priced items. Take a look at our full policy for all the details!
◻️ Contact Us
We are at your service through email, social media, or even by phone, where you can have a direct conversation with one of our team members during our business hours.
Whether you require assistance with your existing product, have inquiries about a potential purchase, need more specific details, additional photos, or even a video to get a better sense of the product in a real human hand, we've got you covered.
Don't hesitate to get in touch.