The Yoshida Kokuran Bunka 190mm is a high-end Japanese knife that exemplifies traditional craftsmanship and exceptional cutting performance. Hand-forged in Saga, Japan by the renowned Yoshida Hamono, this knife is created using the time-honoured koshiki tanren forging method, where each blade is carefully shaped, refined, and finished by skilled artisans.
At its core lies Aogami #1 (Blue Paper) carbon steel, one of the finest Japanese steels, prized for its superior sharpness, edge retention, and responsiveness to sharpening. With a hardness of 63 ±1 HRC, the blade delivers a precise, razor-sharp edge while maintaining durability for professional use. The core is clad in stainless steel (San Mai construction), enhancing strength and reducing maintenance while preserving the performance of high-carbon steel.
The blade features a traditional Kurouchi finish, offering a distinctive, rustic aesthetic alongside added surface protection. Complemented by a polished shinogi line and a convex hamaguri edge geometry, the knife provides exceptional cutting smoothness, control, and reduced resistance through ingredients.
The Bunka profile, with its angled tip, is designed for precision cutting, slicing, and detailed preparation, making it a versatile tool for a wide range of kitchen tasks. Paired with an elegant octagonal handle, crafted from either rosewood or Bombay blackwood, the knife offers excellent balance, comfort, and a refined feel in hand.
Combining heritage, performance, and understated luxury, the Yoshida Kokuran Bunka 190mm is a truly exceptional knife for professional chefs and discerning home cooks.
Features:-
- Hand-forged by Yoshida Hamono in Saga, Japan
- Traditional koshiki tanren forging method
- Aogami #1 carbon steel core for superior sharpness
- Stainless steel clad (San Mai construction) for durability
- Kurouchi finish with polished shinogi line
- Convex hamaguri edge for smooth, precise cutting
- Bunka profile for versatility and detailed work
- Octagonal handle for balance and comfort
- Premium materials and refined craftsmanship
- Made in Japan
Specifications:-
- Blade Material: Aogami #1 (Blue Paper) carbon steel core
- Cladding: Stainless steel (3-layer / San Mai construction)
- Hardness: 63 ±1 HRC
- Blade Length: 190 mm
- Blade Thickness: 2.54 mm
- Dimensions: Approx. 33.2 × 5.1 cm
- Weight: Approx. 152 g
- Blade Finish: Kurouchi
- Edge: Double bevel
- Tang: Half tang
- Handle: Octagonal
- Handle Material: Rosewood or Bombay Blackwood
- Maker: Yoshida Hamono
- Made in: Saga, Japan
Care:-
- Hand wash only – not dishwasher safe
- Dry immediately after cleaning
- Blade will develop a natural patina over time
- Use camellia oil to protect the blade
- Avoid cutting bones or frozen foods


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