Muneishi Blue 2 Petty 135mm

$124.00 USD


Style: Petty
Blade Length: 135mm
Overall Length: 260mm
Weight: 85g
Blade Height @ Heel: 30mm
Bevel: Double Bevel
Spine Thickness @ Heel: 2.8mm
Spine Thickness @ Mid: 2mm
Spine Thickness 1cm from tip: 1.2mm
Blade Material: Blue 2 Core Carbon Clad, Kurouchi Finish
Handle Material: Octagon Oak
HRC: 63


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.

Recommended Maintenance

Store it in a dry environment using magnetic strips, knife rolls, or sayas. Avoid hitting hard or frozen objects and twisting the blade while cutting. These knives are not dishwasher safe. Clean with hot water and a soft cloth, and dry immediately after use to prevent rust spots on the high carbon steel. For more information please read the blog below.



These Tosa knives are crafted by Kosuke Muneishi, known for a technique known as Warikomi, where a glowing piece of cladding is split and the core cutting edge inserted, then forged together by hand. It is a complicated process that requires a high level of finesse and competence.

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Knife Care

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.

Customer Reviews

Based on 2 reviews
Aaron McPolin
Lovely blade

Absolutely love it

Shao-Feng Tai

Muneishi Blue 2 Petty 135mm