Yoshihiro Kurouchi Black-Forged Blue Steel Stainless Clad Petty-Kiritsuke Knife Ebony wood Handle
SKU:
Not sure which length? How blade length is measured
We can't accept returns on knives once they've been engraved.
Stainless-Clad Care
This knife is made with stainless cladding over a high-carbon core. The cladding resists rust, but the exposed core at the edge can still discolor or rust if not kept dry and properly maintained.
- 63-64 HRC
- Yes, except along the knife's edge
- Optional Magnolia Saya Cover
Blade Hardness
HRC (Rockwell Hardness) measures how hard the blade's steel is. Kitchen knife steel typically falls in the high-50s to mid-60s on this scale. Harder steel is built to hold a fine edge over long use, while softer steel favors flexibility and easy resharpening. The right HRC depends on the steel and design, not a single higher-is-better number.
Stain Resistant
This knife's cladding resists stains, though the exposed high-carbon edge can still discolor or rust without regular care.
Saya Cover
This knife does not automatically come with a saya cover included. Adding one with your order lets us shape it to this exact blade, a fit no aftermarket cover can match. A saya purchased separately later is cut to standard dimensions rather than this specific blade, so the fit is left to chance.
Full Specifications
Blade
- Knife Type
- Petty (Utility Knife)
- Primary Use
- Small detail work (paring, trimming, herbs)
- Blade Metal
- Blue Steel #2
- Grade
- Kurouchi
- Construction
- Clad (San Mai)
- Blade Hardness
- 63-64 HRC
- Blade Edge Type
- Double Bevel
- Blade Finish
- Kurouchi
- Stain Resistant
- Yes, except along the knife's edge
Handle
- Handle Material
- Ebony
- Handle Shape
- Octagonal
- Bolster Material
- Water Buffalo Horn (Color Varies)
- Tang Type
- Partial Tang
Product Details
This petty-kiritsuke knife features a Kurouchi finish on stainless steel cladding, blending traditional aesthetics with modern strength.
Kurouchi, meaning "Black-Forged," gives the blade its distinctive rustic look while adding protection against rust and wear.
The blade's core is Blue Steel #2, hardened to 63-64 Rockwell. This steel keeps a sharp edge longer, so you can work efficiently with less sharpening.
The petty-kiritsuke's slender, angled tip is perfect for precise slicing, trimming, and delicate tasks in the kitchen.
It is paired with a comfortable octagonal Ebony wood handle, suitable for both left- and right-handed users.
This knife balances traditional Japanese craftsmanship, sharp performance, and easy maintenance for daily kitchen use.
Recommended to purchase with Custom-Cut Saya Knife Cover Sheath
Care & Origin
- Country of Origin
- Japan
- Care Instructions
- Hand wash only.
Dry immediately.
Avoid the dishwasher. - Sharpening Method
- Sharpen by hand using whetstones. Do not use honing rods.