Hatsukokoro Sumi Blue 2 Bunka 150mm (Blade Only)
L'Atelier (Constructeur de Couteaux)
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SPECIFICATIONS
Knife Style: Bunka
Steel Type: Carbon Steel
Blade Material: Aogami Blue #2
Blade Finish: Kurouchi
Blade Hardness: 62HRC (+/-1)
Bevel: Double
Handle: None ➛ Choose yours
Blade Length: 150mm
Heel Height: 43mm
Spine Thickness: 3.50mm (Tapered)
Weight: 80g
At first glance, it’s that rugged, unpolished kurouchi finish that grabs your attention—raw, forged, and totally unapologetic. Look a little closer, though, and you’ll see the finesse hiding under the surface: a clean, expressive spine taper that starts thick and confident near the handle, then thins out smoothly toward a nimble tip. This geometry brings a surprising amount of balance and control to a blade that still feels earthy and tough.
This is the Hatsukokoro Blue #2 series—a lineup that doesn’t just reference traditional Japanese bladesmithing, but genuinely lives it. Each knife is hand-forged in Japan by craftsmen keeping the heritage of regions like Tosa and Sakai alive. With a hardness of around 62 HRC, these blades offer that crisp, razor-friendly sharpness you want from Aogami, while still being easy to touch up when needed.
One of the charms of this series is its individuality—small forge marks, subtle asymmetries, tiny differences from piece to piece. These aren’t flaws; they’re fingerprints. Proof that a human shaped this blade, not a production line.
And then there’s the Bunka itself—compact, bold, and insanely versatile. From dense veg to herbs to small proteins, it’s the kind of all-rounder that quickly becomes a daily go-to. A workhorse with personality, equally at home doing prep or taking center stage on your cutting board.
Kakushin can handle the blade-to-handle assembly for you at our shop. If you're new to the custom knife world and want to confirm the fit and sizing of a handle with a specific blade, feel free to reach out!
