Overview

If you’re searching for a carbon-steel Japanese chef knife that balances agility with power, the Hatsukokoro Kumokage Blue #2 Bunka 180 mm delivers. Hand-forged in Tosa, this “cloud shadow” blade pairs Blue #2 edge steel with a rugged kurouchi Damascus cladding, giving you laser-like sharpness, excellent food release, and a look that whispers artisan pedigree. At just 155 g, it feels lively on the board, yet the 3.5 mm spine at the heel provides the stiffness you need for confident cuts. A sleek mono-bubinga handle finishes the package with refined durability—perfect for professional kitchens or weeknight dinner prep.

Common Questions

Q: Is this knife suitable for everyday home cooking? A: Absolutely. The 180 mm length is a sweet-spot size—short enough for tight cutting boards, long enough for proteins and large veg. Its even 50/50 grind makes it immediately intuitive for both right- and left-handed users.

Q: How do I care for Blue #2 carbon steel? A: Wipe the blade dry after each use, avoid acidic foods sitting on the edge, and apply a light coat of food-safe oil before storage. A patina will form over time; that’s natural protection, not rust.

Q: Can I use this Bunka instead of a Santoku or Gyuto? A: Yes. The Bunka’s flat heel excels at push-cuts and chopping, while the k-tip nose handles detail work—making it a true all-rounder.

Specifications

Core Steel: Blue #2 (Aogami)

Cladding Type: Soft iron, Damascus pattern

Blade Length: 182 mm

Overall Length: 323 mm

Spine Thickness (Heel): 3.5 mm

Blade Height (Heel): 45.9 mm

Weight: 155 g

Handle Material: Mono ebony (octagonal)

Hardness (HRC): ≈ 62±

Construction: San-mai, hammer-forged

Edge Grind: 50/50 even