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Hatsukokoro  |  SKU: HATS_Chromax_PE150

Hatsukokoro Hayabusa Chromax Petty 140mm, Ebony Handle

Regular price $159.95

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Availability

  • St Peters, NSW —
    2 Bishop St, Unit 2, St Peters NSW 2044
  • Crows Nest, NSW —
    107 West St, Shop 1, Crows Nest NSW 2065
    Pickup only
  • Prahran, VIC —
    180 Commercial Road, Shop 1, Prahran VIC 3181
    Pickup only
Detailed Specifications
Line Hatsukokoro Chromax
Profile Petty / Utility knife
Bevel Type Double Bevel
Weight 76 g | 2.7 oz
Edge Length 139 mm | 5 15/32″
Heel Height 29 mm | 1 9/64″
Width @ Heel 1.4 mm | 1/16″
Width @ Mid 1.3 mm | 3/64″
Width @ 1cm from Tip 0.8 mm | 1/32″
Steel Chromax | Stainless
Blade Construction Sanmai - Stainless Clad
Hardness (HRC) 60 - 62
Handle Octagonal Ebony
Region Hyogo
Best for
  • First-timers
  • Students
  • Pro chefs
  • Free shipping for knives over AU$200 Australia wide.
  • World-wide shipping via DHL Express, 3 to 5 days.


For cooks looking for a thin Japanese knife at an approachable price, the Chromax line from Hatsukokoro has plenty of appeal. Made in Seki, Japan, these double-bevel knives combine lightweight blades with a semi-stainless core, making them an interesting option for anyone who enjoys a keen edge but would prefer less reactivity than a traditional carbon steel knife.

Chromax sits between carbon and fully stainless steels in terms of care. It offers good edge retention and a sharpening response closer to carbon steel, while being more resistant to corrosion. The construction is sanmai, with a Chromax core sandwiched between stainless outer layers. Semi-stainless still means some care is required: the exposed core can develop a patina and may rust if left wet, so wiping during preparation and drying after washing should become part of the routine.

The emphasis here is on thin, agile geometry. This makes the line a sensible choice for everyday vegetable preparation and slicing boneless proteins, particularly for cooks who prefer a light blade over a heavier workhorse. The trade-off is that a fine edge needs considerate handling. Avoid bones, frozen ingredients and twisting the blade in a cut, and let the edge do the work rather than forcing it through.

The understated, softly hazy blade finish suits the line’s practical character. There’s no elaborate Damascus pattern competing for attention; the appeal is in the steel, geometry and accessible pricing. For home cooks moving beyond a basic kitchen knife, or professionals looking for an affordable addition to their kit, Hatsukokoro Chromax is well worth considering.

Pros Cons
  • Budget friendly
  • Ideal entry point to Japanese knives
  • Need extra care
Care Instruction
  1. Don't cut hard things! Japanese knives are brittle so bone hacking is a NO NO!
  2. Wash with neutral detergent after use, and wipe dry;
  3. Please don't wash knife with dishwasher, it will damage the wood handle;
  4. Be careful not to leave the knife close to a heat source for a long time;
  5. It is a lot more dangerous to cut with a blunt knife than a sharp knife!
  6. It is best to sharpen a Japanese knife regularly on a waterstone.

Hatsukokoro

Rising star of the industry

Hatsukokoro as a brand works extensively with the Japanese kitchen knife industry. Through collaboration with makers and manufacturers across the Japan, they’ve designed and created a huge collection of different knives, covering every possible price range while having a great value in many of their product lines. Their capabilities to incorporate resources have built a strong relation with knife makers, and more and more are happy to send their knives down to Amagasaki and have them delivered across the world.

“The rapidly expanding new brand in the industry based in Amagasaki, offering great varieties by working close with different makers across entire Japan to the entire globe while innovating in product design and metal fabrication.”

Est. 2019 | 令和元年
Known for Unrivalled product availability, exceptional performance at a highly competitive price.
Website handk.co Instagram @handk_official Read more about Hatsukokoro
Hatsukokoro — Hyogo

Knife details

Frequently asked questions

What is a petty knife and when do I need one?

A petty knife is a small Japanese utility knife, typically with a blade between 120mm and 180mm, designed for precision tasks like peeling, trimming, and slicing fruits and vegetables. You need one when your main chef’s knife feels too large for detail work, think deveining shrimp, cutting garnishes, or any in-hand peeling where a bigger blade gets in the way. Its slightly longer and slimmer profile than a Western paring knife gives you more control for intricate cuts without sacrificing the nimble feel you want for small jobs. If you regularly find yourself reaching for a smaller blade for finishing work, a petty fills that gap cleanly.

A petty is not a replacement for a gyuto or santoku. It lacks the blade length and belly for efficient chopping, rocking, or breaking down larger proteins. If your work is mostly bulk prep, like dicing onions or slicing roasts, a petty will feel slow and underpowered. It also won’t handle heavy tasks like splitting bones or prying, so treat it as a precision tool, not an all-rounder.

The petty’s role in a Japanese kitchen is as the smaller counterpart to the gyuto, built for tasks where a full-size blade is clumsy. At Knives and Stones, the petty category covers a range of steels including VG10, White#2, Swedish Steel, VG5, SG2, and MV, from makers like Sakai Takayuki, Masamoto Sohonten, Ryusen, Nigara, Hatsukokoro, and Sentan. Most are double-beveled, and the blade length runs from 120mm to 180mm, which is what gives it that balance of reach and precision. For more on how this fits into your knife kit, see the Knives and Stones Education Centre.

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