From the beautiful, mountainous region of Chino, Nagano, comes a blade forged by legacy. Sadamasa Kajiya, established in 1920, is now in the hands of Yusuke Obi, a passionate fourth-generation smith. He personally guides each knife from raw steel to its final form, handling the forging, polishing, and sharpening himself.

This blade is a study in functional geometry. Yusuke-san forges a substantial, confident spine that tapers dramatically to a surgically thin edge. This allows the knife to fall through food with zero resistance, yet it retains a robust, durable feel.

The soul of the knife is its Aogami #2 (Blue Paper #2) core, a high-carbon steel revered for its ferocious, toothy bite that grips and slices even the toughest skins. This high-performance heart is laminated in stainless steel, giving you the legendary sharpness of carbon with the everyday convenience of stainless.

Finished with a traditional burnt chestnut and water buffalo horn handle, this Bunka is more than a tool; it's a piece of a 100-year-old craft, perfected for the modern kitchen.

About the Bunka Shape: The Bunka, meaning "Culture," is the quintessential Japanese multi-tool. A stunning hybrid of a Nakiri (vegetable specialist) and a Gyuto (chef's knife), its aggressive K-tip offers needle-like precision, while its flat belly makes it a champion of chopping. It is the ultimate all-rounder.