Rustic kurouchi finish with a hammered texture on the blade
Smooth flipping action thanks to a ball bearing pivot system
Striking Damascus-style pattern on the handle and pocket clip
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Knife specification
Blade material: SG2 (HRC 62-65)
Handle: G10
Whole length: 230mm
Blade length: 95mm
Blade thickness: 3mm
Weight: 169g
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About Nigara-Hamono (Aomori)
The history of Nigara(äºå) Forging dates back to the Edo period (1603 - 1868). Located in Aomori Prefecture in the northern part of Japan, the Tsugaru region is famous for its knife-making, with over 100 blacksmiths recorded in the early Edo period. Among the many blacksmiths, the Nigara family was commissioned by the Tsugaru domain to produce swords, and they have continued this tradition for 350 years. Their craftsmanship has been utilised for military swords and knives, especially kitchen knives, after the war.
In addition to excellent sharpness, their products excel in durability and maintenance, achieving strengths like ânot breaking, not bending, and cutting well.â Combining meticulous craftsmanship rooted in history and tradition with innovative designs recognised internationally, Nigara knives offer a unique worldview that is distinctly their own.
About HSS (High Speed Steel)
HSS is a kind of alloy originally invented to process metals with high speed machine cutting. Added with high amount of Molybdenum and tungsten, HSS has a characteristic with extraordinary hardness.
Along with above the standard amount of primary elements, this steel is formed with powdered super fine metals, which are combined, quenched and forged altogether.
Because of the exceptionally high carbon content, this steel is also called âSemi-Stainlessâ whose hardness can reach 64-68HRC, perfected with outstanding sharpness and edge retention.
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Blade: SG2, Powdered High Speed Steel (double edged) - Stainless
Sharpnessãâ â â â â Â (5/5)
Hardness/durabilityãâ â â â â Â (5/5)
Edge retention  â â â â â (5/5)
Ease of sharpeningãâ â â â â (4/5)
Rust resistanceã â â â â â (4/5)
Manufactured by Takefu Special Steel,LTD., composed of Carbon 1.35%, Chromium 14.5%, Molybdenum 2.8%, Vanadium 2%, Manganese 0.35%, Rockwell Hardness 62-65 HRC. It is very similar material to R2 powdered high speed steel.
It possesses high durability to bending, also strong to corrosion and wear, assuring the optimum performance in cutlery products. Despite the maximised hardness, sharpening is relatively easy.Â
Type of Stainless Steel
HRC reference (the higher, the better in sharpness, edge retention and longer lifetime)
Price reference for general chef's knife 21cm
SG2-HSS
62-65
$$$$$ ($400-600)
Silver-3/Ginsan
59-62
$$$$ ($300-500)
UX10
59-61
$$$ ($200-300)
VG10 and VG1
59-60
$$ ($100-200)
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About Kurouchi Knives
Kurouchiï¼é»æï¼is a type of knives that are only polished the edge line and left with black residue appearing after forging and quenching. The black part of every Kurouchi looks different to each other and shows a little imperfection in their looks. However, this rustic design is aesthetically pleasing to eyes and feels traditional craftsmanship.Â
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About G-10 handle
G-10 is laminated fiberglass that is solidified with resin. It has the similar characteristics to carbon fiber with the lowest water absorption and high resistance to acid and alkali thanks to its insulation effects. Being lightweight and durable, G-10 is the most preferred handle material for professional knife makers.
Each knife comes with an individual knife box, which is good for a storage when not used and is presentable for gift purposes. Use of knife sheath is recommended only when you take the knife outside.
All the knives are pre-sharpened to the optimal result. They are ready for the first cut!Â
Knife for a Good Cause - We donate $2 for every knife sold
Your knife will save someone's life
We started a corporate partnership with Cancer Council Victoria in July 2024. By purchasing knives from us, you will automatically participate in this campaign as we collect $2 from the sales of every knife product. Say if you purchase 2 knives, we donate $4 on behalf of you.
For more information, visit
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Kaz's Knife "No worries, Minor-Issue Warranty"
Having been used for a while, even good knives can get chipped and rusty as seen in the above video, but don't worry!Â
Most of the minor issues can be fixed by sharpening on a #400-#1000 whetstone. We have tutorial videos for you to learn how to use whetstone. However, it might seem a bit hard work to get it done by yourself.
Kaz's knife is offering "Minor-issue warranty" which covers small chips and rust on the knives you purchased from us. You can always contact us when you feel your knife became dull, chipped, rusty, etc. We fix those minor issues and send the sharpened knife back to you, mostly for free of charge! (depending on how much work is required, also you bear the postage for sending the knife to us)
(*) Please be advised, we do not warrant major issues caused by misuses such as dropped, cutting bones or frozen food, putting too much force into hard materials, etc.
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About delivery
We ship products from Melbourne with Australia Post. Delivery for stocked items takes 1-4 business days depending on your location. Please allow extra 2-3 business days for an international delivery.
