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Yuzo Shinju BS2 12cm handmade japanese ko bunka knife

Yuzo Hamono

The precise, versatile ko bunka knife for your kitchen!

12cm San Maï structure blade: superimposed 3 layers of steel

Japanese Aogami #2 steel core enriched with 1.2% carbon

Hardness: 62 HRC - Excellent edge retention

Mild iron outer layers - Forged blade finish

Ebony wood handle: robust and elegant

Octagonal shape: comfortable grip

Handcrafted in Japan

High carbon content: requires careful maintenance

119,90€
In stock
Delivery all across Europe

Product Details


Material
Carbon steel
Handle
Ebony
Manufacturing
Japan
Color
Wood
Riveted handle
No
Hardness HRC
62
Blade finish
Rough-Forged
For right- or left-handed use
Symmetrical
Steel
Blue 2 steel
Blade size
12cm
Dishwasher
No
Total length
24,2cm
Edge
Smooth
Knife tip
Plate
Product ID
HLWHK-YUZO-KB120

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Description

A high-performance steel blade for clean cuts

The Yuzo Shinju BS2 handcrafted Japanese ko bunka knife is a multi-purpose knife for people who want precision in a compact format. Its short 12cm blade is ideal for making fine cuts, particularly in herbs, small vegetables or fruit. This knife, hand-forged in Japan, combines traditional know-how with the highest standards of performance.

Its blade is made using the San Maï structure, a typically Japanese technique which consists of surrounding a core of hard steel with a layer of softer steel folded in half, like a sandwich. Here, the core is made of Aogami #2 steel, a Japanese alloy enriched with around 1.2% carbon. It enables the blade to reach a hardness of 62 HRC, guaranteeing excellent edge retention. Renowned for its cutting capacity and ease of sharpening, Aogami #2 is a popular choice with artisan blacksmiths for knives intended for intensive use.

The outer layers of soft iron give the blade suppleness and greater resistance to micro-shocks. The upper part of the blade has a rough forged finish that emphasizes the artisanal aspect of each piece, while slightly limiting the adherence of food to the surface.

An elegant, robust ebony handle

The handle is made from ebony, a dense wood that is naturally resistant to humidity. It features a deep, dark hue that contrasts with the raw blade, providing a refined visual effect. This noble wood is particularly sought after in cutlery for its durability and smooth, pleasant feel.

The octagonal shape of the handle makes it suitable for both right- and left-handed cooks. This traditional Japanese shape ensures an excellent, stable and secure grip, even during prolonged cutting.

Wood paste is applied to the junction between blade and handle. This seals the interstices and prevents the ingress of moisture or residues, improving the knife's hygiene and durability.

Knife features and benefits at a glance

  • 12cm blade: ideal for fine, precise cuts
  • Aogami #2 steel
  • core
  • : powerful cutting edge and easy sharpening
  • 62 HRC
  • hardness
  • : excellent edge retention
  • San Maï structure: balance between hardness and suppleness
  • Forged finish: hand-crafted, non-stick look
  • Ebony handle: durability, comfort and refinement
  • Octagonal shape: ambidextrous, ergonomic grip
  • Handcrafted in Japan: guaranteed quality

How to care for your carbon knife

This Japanese ko bunka knife is forged from high-carbon steel and is therefore sensitive to humidity. It should be washed by hand only, with a non-abrasive sponge and mild soap. Don't leave it to soak in the sink, and don't put it in the dishwasher. Once washed, wipe dry thoroughly, then store the knife in a dry place.

Over time, the blade may develop a slight gray patina. This is a natural phenomenon with carbon-enriched steels, and does not affect cutting performance. It is even appreciated for its traditional aesthetic appeal.

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