Kei Kobayashi SG2 Migaki Bunka 170mm

Overview

The Kei Kobayashi SG2 Migaki Bunka 170mm is a true laser-style Japanese kitchen knife that blends striking design with elite cutting performance. Forged in Seki, Japan by Kei Kobayashi, this bunka features a thin, aggressive grind and a refined migaki finish that gives the blade a clean, modern look. The compact 170mm profile makes it highly versatile for daily prep, while the pointed k-tip adds precision for detail work, trimming, and intricate cuts.

At the core is SG2 powdered stainless steel, a premium steel known for exceptional edge retention, fine grain structure, and the ability to take an extremely sharp edge. This makes the knife especially appealing for cooks who want long-lasting performance with lower maintenance than traditional carbon steel. The stainless clad construction adds durability and helps make this knife easier to care for in a busy kitchen.

What makes this bunka stand out is how effortlessly it moves through food. It is light, thin behind the edge, and fast in hand, making it ideal for vegetables, boneless proteins, herbs, and precise board work. The dark red lacquered septagonal handle adds a bold visual signature and gives the knife a secure, comfortable feel that matches its premium character.

Common Questions

Q: What is a bunka knife best for?

A: A bunka is one of the best all-around Japanese knife shapes for home and professional use. It handles vegetables, herbs, boneless meats, and many everyday prep tasks with ease. The k-tip also makes it especially useful when you want extra precision for finer cuts.

Q: Is this a good knife for home cooks?

A: Yes. This knife is excellent for serious home cooks who want high-end performance in a size that feels nimble and easy to control. It is also stainless enough to be practical for regular use, while still offering the sharpness and cutting feel that make Japanese knives special.

Q: How do I care for an SG2 bunka like this?

A: Hand wash only, dry it after use, and avoid cutting through bones, frozen foods, or very hard surfaces. For best edge life, use a knife-friendly cutting board such as a Hasegawa Pro Cutting Board. Regular stropping on a leather strop can help keep the edge performing at its best between sharpenings.

Specifications

• Brand/Blacksmith: Kei Kobayashi
• Location: Seki, Japan
• Knife Type: Bunka
• Core Steel: SG2 / R2 Powdered Stainless Steel
• Cladding Type: Stainless Clad
• Construction: Warikomi
• Finish: Migaki
• Blade Length: 170mm
• Overall Length: Approx. 315–317mm
• Blade Height at Heel: Approx. 46.6mm
• Spine Thickness (Heel): Approx. 1.8mm
• Spine Thickness (Mid): Approx. 1.7mm
• Weight: Approx. 130–134g
• Handle Material: Dark Red Lacquered Septagonal Pakkawood
• Hardness (HRC): Approx. 63–64
• Bevel: Double Bevel