Kurogane 7" Bunka Knife

$279.00$179.0036% OFF - SAVE
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Precision, versatility and unmistakable Kurogane character in a compact Japanese Bunka profile. The Kurogane 7-Inch Bunka Knife pairs a VG-10 cutting core with 37-layer rainbow Damascus cladding and a broad, pointed blade for confident everyday prep.

Its 172 mm blade balances chopping capacity with precise tip control, while the sculpted G10 and mesh-resin handle supports a secure, comfortable grip.

Kurogane 7-inch Bunka knife beside fresh vegetables on a cutting board

Key Highlights

  • Versatile Bunka profile: A broad blade and angled tip support chopping, slicing, portioning and detailed prep.
  • VG-10 cutting core: Provides a sharp, controlled straight edge for everyday kitchen work.
  • 37-layer rainbow Damascus: Copper, brass and stainless-steel layers create the Kurogane Series’ distinctive finish.
  • Balanced 172 mm blade: Combines useful cutting capacity with agile handling.
  • G10 and mesh-resin handle: A sculpted, decorative handle designed for comfortable control.

See the Kurogane Bunka in Action

See how its broad blade and precise tip handle everyday slicing, chopping and detail work.

Built for Versatile Japanese-Style Prep

Broad Blade, Precise Tip

The tall Bunka blade offers generous knuckle clearance and useful surface area for transferring chopped ingredients. Its sharply angled tip adds control for trimming, portioning and detailed cuts.

Close-up of the Kurogane Bunka rainbow Damascus blade and pointed profile

Sculpted Control with Kurogane Character

The faceted G10 and mesh-resin handle combines a secure profile with layered decorative details and a mosaic accent, complementing the blade’s copper-and-gold Damascus pattern.

Close-up of the Kurogane Bunka G10 and mesh-resin handle

Kurogane Bunka Specifications

Blade & Edge
Series Kurogane Series
Knife Type Japanese Bunka knife
Core Steel VG-10
Cladding 37-layer rainbow Damascus incorporating copper, brass and stainless steel
Edge Style Straight edge
Edge Angle Approximately 9–12° per side
Handle
Handle Material G10 and mesh resin
Handle Details Faceted profile with layered decorative mesh and mosaic accent
Dimensions & Weight
Total Length 302 mm / 11.89 in
Blade Length 172 mm / 6.77 in
Handle Length 130 mm / 5.12 in
Blade Width 55 mm / 2.17 in
Spine / Tip Thickness Approximately 2.0 mm / 0.08 in at the spine and 1.3 mm / 0.05 in at the tip reference point
Handle Profile Approximately 22 mm / 0.87 in high and 20 mm / 0.79 in wide at stated reference points
Weight 164 g / 5.78 oz
Use & Included
Primary Uses Chopping, slicing, dicing, portioning, vegetable prep and general kitchen work
Guarantee Limited Lifetime guarantee

Product Parameters

Kurogane 7-inch Bunka knife technical diagram with dimensions, materials, edge angle and weight

What’s Included

  • Kurogane 7-Inch Bunka Knife
  • Protective Knife Sheath
  • Seido Kurogane Series presentation packaging
  • Limited Lifetime guarantee
Kurogane 7-inch Bunka knife with Seido presentation packaging

Care & Use

  • Hand wash with mild dish soap and warm water, then dry immediately.
  • Do not place the knife in a dishwasher or leave it soaking.
  • Use wood, rubber or quality synthetic cutting boards; avoid glass, stone and ceramic.
  • Avoid twisting, prying or applying lateral force to the blade.
  • Do not cut bones, frozen foods or other hard materials.
  • Maintain the straight edge with suitable whetstones or professional sharpening.
  • Store securely in a knife block, on a suitable magnetic holder, or with blade protection.

Explore the Kurogane Series

Discover more knives featuring the series’ distinctive multi-metal Damascus finish in the Kurogane Series.

Frequently Asked Questions

What is a Bunka knife used for?

A Bunka is a versatile Japanese kitchen knife for chopping, slicing, dicing and general preparation. Its broad blade handles everyday prep while the pointed tip supports detailed cuts.

How long is the Kurogane Bunka blade?

The blade measures approximately 172 mm / 6.77 inches, conventionally described as a 7-inch Bunka.

What creates the rainbow Damascus pattern?

The blade uses 37 layers incorporating copper, brass and stainless steel around a VG-10 cutting core.

Is it suitable as an everyday kitchen knife?

Yes. Its broad 172 mm blade is suited to vegetables, herbs, boneless proteins and general kitchen preparation.

Can it cut bones or frozen food?

No. This precision kitchen knife should not be used on bones, frozen foods or other very hard materials.

How should I sharpen it?

Maintain its straight edge with an appropriate whetstone while preserving the approximately 9–12° angle per side, or use a professional sharpening service.

Shipping

Q. Do you offer free shipping?
A. Yes — free shipping is available to the contiguous United States and Canada.

Q. How fast do you ship orders?
A. We typically process and ship within 1 business day (Mon–Fri).

Q. How long does delivery take?

  • A. USA/Canada (Free Shipping): 3–5 business days after shipment
  • A. Express (2-Day): available at checkout on eligible orders
  • A. Worldwide (Standard): 7–15 business days after shipment

Business days are Monday to Friday (weekends & holidays excluded).

International delivery times may vary due to customs or local carrier delays.

Q. Do you ship internationally?
A. Yes — we ship worldwide. International shipping rates may apply and are calculated at checkout.

Customs duties/taxes (if any) are set by your country and are the customer’s responsibility.

Q. Do you ship to PO boxes?
A. No — we do not ship to PO boxes. A physical address is required by carriers.



Returns

Q. What’s your return policy?
A. We offer a 30-day, no-hassle return policy. You have 30 days from delivery to request a return.

Q.
What are the return conditions?
A. To be eligible, items must be unused and in the same condition you received them (with original packaging when applicable).


Q.
How do I start a return?
A. Contact us via live chat or email with your order number and we’ll help you right away: support@seidoknives.com


Q.
When will I receive my refund?
A. Once your return is received and inspected, refunds are typically issued within 3–7 business days (your bank may take additional time to post it).



Need help?

Q. Where can I get help fast?
A. Visit our Help Center: https://seidoknives.com/pages/help-center or reach us via live chat or support@seidoknives.com.

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Frequently Asked Questions

Q. Is Shipping Free? Yes!

Yes, U.S. & Canada Shipping is free! We understand that a good kitchen knife set is a much needed investment and we don't want you spending any more then you need to. Shipping charges may apply to all other international countries.

Q. Will I receive a confirmation email once I order? Yes!

Yes! You will get a confirmation email after you have placed your order, and another when your order is dispatched (and by SMS if you opt-in). If you haven't received any emails from us, please check your spam folder. If you entered an incorrect email address, please use the chat or contact page to reach our support team so we can make the correction.

Q. Is there a 30-day money back guarantee? Yes!

We are incredibly confident that you will like our products that we offer a 30-day money-back; satisfaction guaranteed. If you are not 100% satisfied with your purchase, reach out to our customer support team and we will provide you with a refund and schedule your return.

Q. How does the lifetime warranty work?

We’re perfectly confident in the product we’ve made, this is why we provide a ‘no-questions-asked’ return policy. In addition to our 30 days no-risk money back guarantee, we also offer a FREE limited lifetime warranty against manufacturing defects in material and construction, and to perform as advertised when properly used and maintained.


We take great pride in our products and therefore we only tolerate excellency - nothing less. Please contact us and we will gladly schedule a return and issue a replacement if there are quality issue with the knives.

Q. Are your knives made by Japanese Blacksmiths? Yes!

Our artisan knives are traditionally crafted by our expert blacksmiths with a combined 100 years of experience. We only use premium materials. Our Damascus knives are forged using premium high-carbon VG-10 or AUS-10 steel. Each knife is meticulously handcrafted. We've served over 100,000 happy customers worldwide. We always offer unparalleled quality without compromise.

Q. Can I track my order? Yes!

Once your order is processed, you'll be sent an email (and SMS if you opt-in) with a tracking number. You can then track your order by clicking the link recieved or directly through our website on the "Track My Order" page.

Q. How can you offer high-quality products at a fair price?

Our fundamental principles are quality and loyalty to our customers without exception. Our competitive pricing is due to the fact that we are true to our customers; we cut out the bloat caused by the middleman and sell directly to you! That means you get premium, high-quality products, at a fair and honest price (Psst... And they last a lifetime).

Q. How can I pay for my order?

We accepted all major credit cards or digital wallets, such as: Visa, Mastercard, American Express, PayPal, Shop Pay, Apple Pay and Google Pay. We also accept installments by AfterPay; 4-interest-free payments. Learn more here.

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