Yoshida Hamono HAP40 Kiritsuke Petty
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Slightly different to the normal petty shape in that it has a reverse tanto tip like a bunka, this is called 'kiritsuke' (literally 'split open') and is really useful for intricate tip work.
The petty is a great addition to your knife collection, this one is a decent length making it perfect for on the board work for small veg such as onion, peppers, garlic and herbs.
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Ally & James
Our Price Match PromiseAbout this range
First Impressions
Much like the ZDP-189 range from Yoshida Hamono, the out of the box sharpness of the HAP40 is excellent and these are unquestionably some of the sharpest knives we've tested.
Beauty
If you're looking for a classic Japanese knife, the kurouchi finished blade and traditional wa shaped handle is a great combination and shows the style and design that's been used for generations.
This range is available with a standard magnolia handle or an Oster Rob special edition "Tottori sand" maple burl handle. Please note the Tottori handles are all individually made and patterns may vary.
In Hand
The HAP40 range is comfortable across the various knife styles and sizes with a balance typically around the middle of the kanji on the longer knives and just towards the bottom of the kanji on the shorter ones which makes them easy to hold when using a pinch grip and nimble in hand.
Durability
Made by Hitachi Metals Limited, HAP40 is a steel that is well regarded for its hardness and the treatment of this range is around 67-68 HRC so edge retention is excellent and these are durable knives when looked after correctly.
The exceptional durability and edge retention is the big feature of this range.
Ease of Care
These are a semi stainless knife so we'd recommend caring for them following the normal rinse and dry routine but it would also be worth applying drop or two of camellia oil from time to time as HAP40 steel has a chromium content but it's worth the extra care for the edge retention properties it offers.
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
We've been big fans of the ZDP-189 from Yoshida Hamono, the finish and sharpness out of the box is exceptional and when you pair it with the incredible level of hardness you get a knife that keeps it edge for a very long time.
The HAP40 fits in a nice spot in that it's a bit easier to sharpen than the ZDP-189 steel and so gives you the similar high level of performance but makes it a little more accessible in terms of sharpening convenience.
It's the same profile and shape with the same great finishing edge but an easier to work with steel!
Yoshida Hamono HAP40 Kiritsuke Petty - 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 - Yoshida Hamono HAP40 Kiritsuke Petty
- Blade Length: 137mm (Measurement of the cutting edge)
- Total Length: 270mm (Blade tip to handle end)
- Blade Height: 30.7mm (Heel to spine)
- Blade Thickness: 2mm (Spine width above the heel)
- Total Weight: 73 grams
Range Specifications
- Core Steel: HAP40
- Cladding Steel: Stainless
- Hardness: 67-68 (HRC)
- Handle Style: Japanese
- Handle Material: Octagonal magnolia with black buffalo horn or "Tottori Sand" maple burl
- 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
Yoshida Hamono
Yoshida Hamono is a family-owned Japanese company with an age-long tradition in manufacturing state-of-the-art tools and Japanese swords (katanas) by hand.
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!
