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JCK Natures

JCK Natures Deep Impact Series Petty (120mm and 150mm, 2 sizes)

Availability: Normally ships the same day

When people select own knife, cutting performance and edge retention are always one of the priority list. Moreover, it will be great if the knife does not require much additional care and attention in terms of daily maintenance,

This “Deep Impact” knife matches aforementioned preferences very well.

Its blade is made of Japan’s premium high carbon steel, Aogami Super (“Blue Super Steel”), which is sandwiched between two layers of soft stainless steel and then heat treated to HRc. 64-65.

The handle is made from black paper Micarta, which is a very durable and stable material. It is water-resistant, and will not shrink or crack in the same way that wood does.

A mainstay of professional Western kitchens, the Petty knife is a small general-purpose knife used for peeling, shaping, and slicing fruits and vegetables, chopping herbs, and making garnishes. The compact size and relatively narrow blade of the Petty knife mean that it is very nimble and controllable, thus it is ideal for making precise cuts.

Knife Model: JCK Natures Deep Impact Series Petty

Blade Material:  Aogami Super Clad

Rockwell Hardness (HRc): 64 to 65

Blade Grind and Edge Shape: Double Bevel Edge 50/50

Handle Material: Black Paper Micarta Handle with Stainless Steel Bolster

Saya Included: No.


Petty 120mm (4.7")
Cutting edge length: 125mm (4.9")
Total Length: 230mm (9.0")
Blade Thickness: 1.8mm (0.07")
Blade Width: 26mm (1.0")
Handle Length: 98mm (3.8")
Total Weight: 72g (2.5oz)

Petty 150mm (5.9")
Cutting edge length: 150mm (5.9")
Total Length: 255mm (10.0")
Blade Thickness: 1.8mm (0.07")
Blade Width: 28mm (1.1")
Handle Length: 98mm (3.8")
Total Weight: 80g (2.8oz)



This knife comes with 50/50 double bevel edge geometry for both right and left handed use. 

For your information, Japanese Kitchen knives are generally designed for right hand use with a slightly thicker and rounded grinding on the right side blade and a less rounded (almost straight flat) grinding on the left side blade. However, both right and left hander can use the knives that have double bevel edge sharpened 50/50 without problems. 

We believe the quality and cutting performance of Japanese knives are the best in the world, and hope you enjoy fine craftsmanship and sharp edge with your new knife. With proper cares, every Japanese knife should be your special cooking partner for long times.



This is the Carbon steel blade kitchen knife that can get rust and discolor easily, and requires extra care and attention to prevent rust.

  • Please do not put the knife in the dishwasher machine for cleaning.
  • Please do not leave the knife in water or wet condition for long time.
  • After using, please hand wash the blade, bolster and handle thoroughly, and wipe it clean and dry with soft clothes. Please apply Tsubaki oil on the blade and keep it in dry place.
  • This is an extremely sharp knife. Please use special cares in using and storing it.
  • Unlike German made knives, Japanese knife blades are ground to thin cutting edge for sharper cutting and easier re-sharpening. Please protect the edge from hitting hard materials to avoid chipping or cracking.
  • Please do not use it to cut bone or frozen foods, any hard shell foods such as lobster and crab.
  • We recommend using Japanese whetstones to re-sharpen the knife, when it gets dull.
Customer Reviews
4.8 Based on 32 Reviews
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Filter Reviews:
    daniel g.
    Germany Germany
    I recommend this product

    *the* knife !

    I´m not new to japanese knives, this is my 5th and my second aogami at that. You see, I bought it for a reason ;-) As always jck delivered. My expactations, high as they were, were exceeded by the super aogami edge. Now I can’t wait for the jack natures gyuto to return ...

    Edward H.
    United Kingdom United Kingdom
    I recommend this product

    A much-appreciated gift

    I bought this for a friend. She has plenty of kitchen knives but none retains a good cutting edge. She was still delighted with it, weeks later, and says its her favourite for fine cutting, such as finely diced garlic and it is still much sharper than her other knives.

    Hoover C.
    United States United States
    I recommend this product

    Beautiful and sharp

    Love this knife. Beautiful workmanship and extremely sharp.

    Andrew P.
    United Kingdom United Kingdom
    I recommend this product

    Deep Impact Petty

    Service was good as always. The knife was a gift, so all I can say is that it looked good, and I will be happy to order from JCK again.

    United States United States
    I recommend this product

    My first Japanese knife!

    Besides being so sharp, I love the elegant simplicity of the blade. It’s my first Japanese knife and this one is a 150 mm petty with carbon steel between 2 stainless sides, so the exposed carbon at the blade’s edge can get a patina, which gives it character and that’s pretty cool! It fits well in my hand and handy for smaller cutting and slicing jobs. The handle is plain looking, and after only a few uses it already looks faded as if a very old knife. While I didn’t buy this knife for aesthetics, the dull appearance of the handle does bother me somewhat when compared to the fact that 1) my cheaper knives have handles that still look decent even after a decade and 2) I since bought a gyuto with a nice wa handle. So all in all when I look at the knives on my magnetic knife holder, this petty stands out like a sore thumb. Regardless, It cuts and slices really well and that’s what matters most. I showed it to my coworker who is a knife nerd, who me it’s great for the price point. Also, it arrived within a few days and was packaged with great care. Koki was very helpful and responsive. I really appreciate how there are many reviews (with pictures, sometimes even video) on this site compared to others, which has been helping me in my Japanese knife research!

    JapaneseChefsKnife.Com JCK Natures Deep Impact Series Petty (120mm and 150mm, 2 sizes) ReviewJapaneseChefsKnife.Com JCK Natures Deep Impact Series Petty (120mm and 150mm, 2 sizes) ReviewJapaneseChefsKnife.Com JCK Natures Deep Impact Series Petty (120mm and 150mm, 2 sizes) ReviewJapaneseChefsKnife.Com JCK Natures Deep Impact Series Petty (120mm and 150mm, 2 sizes) ReviewJapaneseChefsKnife.Com JCK Natures Deep Impact Series Petty (120mm and 150mm, 2 sizes) Review

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