

Masakage Koishi — Aogami Super Bunka 170 mm
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Eligible US purchases include 180-day returns and a free prepaid return label.
Free US shipping over $99. Orders are normally fulfilled within 2 business days; UPS Ground transit is typically 1–5 business days. Custom work may add 1–2 business days.
Every order is fully insured. If a package is lost or damaged, contact us and we will handle the claim.
Overview
If you’re looking for the best‑value Japanese knife, consider one forged by master blacksmith Yoshimi Kato in Echizen, Fukui, Japan and sharpened by Shibata Takayuki. Shibata has been paramount in adapting traditional Japanese knives for Western kitchens, working side by side with chefs and fellow craftsmen while applying his renowned sharpening techniques to create some of the finest blades available. Because each knife is handmade and hand‑sharpened, the downside is that supply can be limited.
When Is This the Right Choice?
The bunka’s tall profile, curved belly, and pointed tip make it exceptionally versatile—ideal for chopping vegetables, mincing herbs, and precise protein prep. For extended slicing tasks, however, a longer blade such as a sujihiki or yanagiba is more appropriate.
Specifications
- Region: Echizen, Fukui, Japan
- Blacksmith: Yoshimi Kato
- Core Steel: Aogami Super (Blue Carbon Steel)
- Cladding: Stainless steel with kurouchi (black) and tsuchime (hammered) finish
- Hardness (HRC): 63–64
- Blade Length: 170 mm
- Blade Height: 46.3 mm
- Spine Thickness at Base: 3.3 mm
- Weight: 128 g
- Handle: Octagonal cherry wood with black pakka wood ferrule
Shipping, returns and order protection
US shipping: Free on orders over $99. Orders are normally fulfilled within 2 business days, and UPS Ground transit is typically 1–5 business days after fulfillment. Custom handle installation or sharpening may add 1–2 business days.
Returns: Eligible purchases may be returned within 180 days with a free prepaid return label. Knives sharpened by Tokushu Knife or fitted with a custom handle remain eligible if they are otherwise new, unused, undamaged, and returned in their original packaging with all included components. The same refund terms apply.
Order protection: Every order is insured. If a package is lost or damaged, contact us at Tony@TokushuKnife.com and we will handle the claim.
Outside the US: Supported international orders from TokushuKnife.com typically ship via FedEx Delivered Duty Paid (DDP). Tokushu Knife pays all applicable import duties and taxes on the customer's behalf. Customers are not responsible for paying duties or taxes. Available destinations, shipping charges and delivery estimates are shown at checkout. Customers may also shop at TokushuKnife.eu for regional inventory and options.
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Steel, Construction and Care
Our catalog includes stainless, semi-stainless and carbon steels selected for edge performance and durability. Carbon steels may develop a patina, while stainless steels are designed to resist discoloration. Follow the care guidance on each product page, hand wash only and dry the knife promptly after use.



