Koutetsu Iron Clad Petty 150mm
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Light, nimble and good looking, this tiny petty with its angular tip is perfect for intricate cutting jobs.
The stainless, powdered R2 steel used in the blade construction is very thin which lends itself to taking a very sharp edge and is hard enough to handle daily use without needing to worry about its strength.
There is a specially made saya to fit this knife.
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Ally & James
Our Price Match PromiseAbout this range
First Impressions
The immediately notable feature of the entire Kotetsu range is just how thin the blade is, in our sharpness tests we found it rated right up there with the best we stock and due to this much thinner construction it's also very noticeable how light the knife is as a whole.
Beauty
A dark brown and black octagonal rosewood handle in a traditional style combined with the clean, laminated finish of the blade gives a lovely contrast. The steeper, straight edge at the end of the blade instead of a more traditional rounded style creates a unique look.
The name "Iron clad" doesn't refer to the metals used in the making of the knives, they're powder steels not iron - but instead refers to the shape of the knives which is inspired by Japan's first iron clad battleships (Kōtetsu).
In Hand
We felt immediately that the lightness of the knife would be a big benefit for those who don't like the more Western style and it was extremely comfortable to use for extended periods.
Durability
The powdered steel used in the blade construction will keep an edge for a long time although due to the very thin blade construction we think this knife might be best suited to someone who has a more careful and considered cutting technique to avoid micro-chips appearing although we found no big issues with it while chopping through a range of veg and meat.
Ease of Care
The usual care instructions of not putting in the dishwasher apply of course and we found a quick rinse and dry after use and you'll have no problems at all.
Care Tip – Reactive Carbon Steel
The core (and on some ranges, the cladding steel too) of this knife is made using a carbon steel which can react with moisture and acids in your food and so is not stainless or rust-proof.
Our Verdict
The high quality blade and handle perform well and combined look the part without breaking the bank. If you're looking for performance at a very reasonable price then the Kotetsu is for you.
Over the last few years, knives from the Koutetsu ranges have become quite collectable due to the scarcity of the supply and its excellent performance and price point.
Koutetsu Iron Clad Petty 150mm - product quick view
Want to see a little more of the knife? Check out what the knife looks like in hand and up close.
Knife Measurements - Koutetsu Iron Clad Petty 150mm
- Blade Length: 147mm (Measurement of the cutting edge)
- Total Length: 280mm (Blade tip to handle end)
- Blade Height: 29mm (Heel to spine)
- Blade Thickness: 2mm (Spine width above the heel)
- Total Weight: 68 grams
Range Specifications
- Core Steel: R2
- Cladding Steel: Stainless
- Hardness: 62-63 (HRC)
- Handle Style: Japanese
- Handle Material: Octgonal rosewood
- Left or Right handed: Either (Double Bevel)
Our aim is to measure and photograph our products as accurately as possible but due to many items being handmade, finished or using natural materials, there can be minor variance in measurements and things such as blade or wood finishes can vary. We will always endeavour to provide the most accurate measurements, photos and descriptions of our products.
Some measurements such as HRC are provided by manufacturers and should therefore be used as a guide.
Meet the maker
Takayuki Shibata
Shibata san is one of the top knife sharpeners in Japan and his ranges are famed for the quality of sharpness and finish.
How to choose the perfect knife
We've helped thousands of customers choose their perfect knife since 2011 and we're here to help you too.
Read our guide to choosing a Japanese knife and don't hesitate to contact us if you have any questions!
