Masakage  Koishi Petty 120mm
Masakage  Koishi Petty 120mm
Masakage  Koishi Petty 120mm
Masakage  Koishi Petty 120mm
Masakage  Koishi Petty 120mm
Masakage  Koishi Petty 120mm
Masakage  Koishi Petty 120mm
Masakage  Koishi Petty 120mm
Masakage  Koishi Petty 120mm

Masakage Koishi Petty 120mm

Regular price£205.00
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Masakage – Koishi Petty 120mm

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Petty – Precision Utility

The petty is the small utility knife in a Japanese line-up — designed for detail work, trimming, peeling and in-hand tasks.

At 120mm, this is a true precision tool. Light (just 62g), nimble and thin behind the edge, it excels at shallots, garlic, herbs and smaller fruit or proteins where control matters more than power.

It’s the knife you reach for constantly — not dramatic, just indispensable.

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Stainless Clad Blue #2 – Focused Carbon Performance

This blade is constructed in san mai: a Blue #2 (Aogami #2) carbon steel core clad in stainless steel.

Blue #2 is a refined high-carbon steel known for excellent edge stability, strong sharpness potential and satisfying feedback on stones. Heat treated to approximately 62–63 HRC, it takes a very keen edge while retaining enough toughness for confident daily use.

The stainless cladding protects the blade road, leaving only the exposed edge reactive — expect a natural patina to develop over time.

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Koishi Finish – Tsuchime Kurouchi

“Koishi” translates to “pebble,” referencing the deeply textured tsuchime (hammered) pattern across the blade face.

Combined with the dark kurouchi (blacksmith) finish, it creates a rugged, forged aesthetic while subtly reducing surface drag during cutting. Functional texture, not ornament.

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Masakage – Echizen Craft

Masakage knives are produced in Echizen by skilled blacksmiths and sharpeners working within a long-established craft tradition. Known for expressive finishes and performance-focused geometry, the range blends strong cutting ability with distinctive character.

Thin grinds, consistent heat treatment and attention to detail define the line.

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Handle – Octagonal American Cherry

Fitted with an octagonal American cherry wa handle and black pakka wood ferrule. Lightweight, balanced and comfortable in a pinch grip, it complements the blade’s nimble feel.

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Steel Care

• Hand wash only — never dishwasher.
• Dry thoroughly after use.
• Use wooden or rubber boards to protect the edge.
• Store safely in a block, on a magnetic rack, or in a saya.
• Strop regularly; sharpen on whetstones when required.
• The exposed carbon edge will develop a patina — this is normal and protective.

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Specifications

Blade shape — Petty
Maker — Masakage
Construction — Stainless clad san mai
Core steel — Blue #2 (Aogami) carbon steel
Hardness — 62–63 HRC
Finish — Tsuchime Kurouchi
Edge grind — 50/50
Handle — Octagon American cherry with black pakka wood ferrule

Blade length — 120mm
Total length — 245mm
Blade height at heel — 28mm
Weight — 62g
Spine thickness at heel — 2.83mm
Thickness behind the edge — 0.35mm

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Age Restriction
Knives are only available to persons over 18 years of age. Due to the nature of our business, all customers will be required to verify their age at checkout.

We ship Tuesday to Saturday using Royal Mail Tracked 24.

All knives ship via an age verified service in accordance with The Offensive Weapons Act 2019, which will mean the postie will need you to be in to receive the delivery & to check your ID if you look under 25.

The law also requires us to carry out a soft age check of the purchaser after checkout, this is done by an automated system that usually doesn't require your input, although we will need to contact you for proof of age if you fail, which can sometimes happen if you use a work address.

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Blade Shape - Petty

The petty is a knife which hovers around the size of a western paring/ utility knife. Essentially it’s a nice, nimble, small knife which is an invaluable addition to your knife roll.

The perfect supporting knife to your main knife, a petty can be used for a myriad of tasks and is an essential tool in the kitchen.

see more knives this shape

Steel Type - Aogami Super

Aogami or Blue Super is some of the best steel on the market for sharpeness and edge retention, it's a little tougher to sharpen than standard blue paper steels and even more so than white paper steels but it's a small price to pay for such a wicked edge.

See more carbon steel knives

Care information

As we're working with carbon steel here we need to be mindful of it's reactivity, we can expect the blade to darken and patina with use, that's normal and to be treasured, it's like the knife developing it's own fingerprint. 

What we don't to see is rust, rust will develop if the knife has been left with any moisture on the surface, to avoid it just make sure it's washed and dried throughly before you sit down to eat. If you do see any rust spots develop they can be removed easliy with a rust eraser.

A knife like this performs so well becuse it's to thin, but that does mean it's more susceptible to damage, so with this in mind no twisting or riving the knife if it gets stuck in food, no cutting toward bone or cutting frozen food and absolutley no dishwashers!

Masakage

Starting out life in 2007 by master sharpener Takayuki Shibata, Masakage was inspired by Masakage Yamagata, a samurai general who rose to promenance during Warring States period.

Designed and sharpened by Shibata himself and forged by blacksmiths at Takefu Knife Village Masakage knives are of exceptional quality.

Free sharpen with every knife

We really want your new knife to stay at it's best, thats why we offer a free sharpen with every one purchased from us, just pop it in the post or come along to the shop and we'll take care of it.


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