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Morihei Munetsugu Kurouchi Petty 135mm
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Knife Specifications
We strive to provide accurate measurements and photographs of our products. However, due to the handmade nature of many items slight variations may occur.
Style
Petty
Blade Material
Blue 2 Core, Soft Iron Kurouchi Clad
Handle Material
Octagon Zelkova
Bevel
Double
Maintenance Level
Medium
Edge Length
140mm
Overall Length
265mm
Spine Thickness
3.2mm / 1.8mm
Blade Height
33mm
Weight
72g
HRC
62
An In depth look

Blade Type
The Petty knife, a quintessential tool in Japanese cuisine, is a smaller utility knife used for precise, delicate tasks. Often considered a smaller sibling to the chef's knife, it excels in hand-held tasks like peeling, trimming, and intricate cutting. Its versatility makes it an essential for detailed culinary work.

Steel Type
Japanese Blue Steel #2, or "Aogami" #2, is a revered high-carbon steel alloyed with low amounts of chromium and tungsten. It strikes an excellent balance between durability, edge retention, and ease of sharpening. Slightly more ductile than Blue #1, it's widely used in crafting traditional Japanese knives, beloved by chefs for its resilience and sharpness, albeit is slightly softer than Blue 1.

Care Information
This knife is made from a high-carbon steel and as such, will require a little more care than a regular off-the-shelf knife. It must be dried shortly after use, as prolonged exposure to moisture can cause rust spots to appear. A very light coat of oil during storage also helps to prevent rust spots. A patina (colouration and seasoning of the steel) will occur with use.


Introducing
Morihei
Based in Asakusabashi, Tokyo, Morihei is a revered name in the world of Japanese blades and sharpening, with a legacy spanning over 100 years. At its peak, more than 20 groups of blacksmiths and sharpeners worked under the Morihei name — a testament to its deep roots in the craft.
Renowned for its extraordinary collection of whetstones and natural sharpening stones, Morihei remains one of the last companies in Japan to uphold long-standing relationships between blacksmiths and traditional stonemakers.
Why Pro's & Enthusiast Choose Us
Some of our reviews
This thing IS THE BUSINESS!
Words can't explain how amazing this knife is to use and gaze at! It's my second bunka and my go to knife for everyday prep. Gyuto's aren't getting a look in at the moment. I LOVE it. Thanks Chefs Edge 👊🏽

Super Thin Bevels
The bevels being so thin makes it easy to achieve a crazy sharp edge and cut dense vegetables rather than splitting them. The kiritsuke tip also makes precise cuts such as on garlic possible. A pleasure to use

James Palmer
Great product, great service
Very happy with my purchase. First time customer, ordered and received a knife that had a chip which occurred during shipment. The staff at Chefs Edge were very prompt in communication and really helpful in resolving the matter. They sent out a new knife and arrived in time for a birthday. The knife itself is great quality and looks better than the photos. Overall, very happy and will be a return customer!

Beautiful Knife
As the title says, an absolutely beautiful knife. Even better than the photos. Shipping was also reasonable. Very happy, would definitely recommend.

Kyle Kidder
Fantastic knife with beautifully curated handle
Got this as a gift for one of my younger cooks who has been going above and beyond this year. Not only is the caretaking aspect of high carbon steels such as shirogami a great teacher for any future knives they may own, but its such a beautiful tsuchime finish with a fantastic grind that I found myself drooling over it aswell. 10/10 recommend not only Tsunehisa as a maker but Chefs Edge as a curator and purveyor of immaculate kitchen knives.

Best bread knife ever !
it was best decision for me to purchase this knife! Smooth and effortless prep! Especially working with 300-500 portion !

Axel Lemasoa
Perfect knife!
It was absolutely razor sharp knife. Lightweight even if it’s 240mm knife. Thanks chef’s edge, it came also fast and secured with a beautiful delivery box.

Don Hyndryx Molleda
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