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JCK Natures


JCK Natures 青雲 Blue Clouds Series BC-2 Bunka (Kiritsuke) 190mm (7.4 inch)

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 Our "JCK Natures" house brand knives have proven to be some of JCK’s most popular knives. Each one of them has a unique appearance, fine characteristics and offers great value for money. Our JCK Natures Knives are a fusion of the craftsman’s special artistic techniques and the magnificent scenery of almighty nature.

 At the end of the year 2019, after a long wait, we are finally introducing the new JCK Natures 青雲 "Blue Clouds" knives, which have just been finished. We are very excited to introduce these new products to you.

 The "Blue Clouds" knives have an impressive mirror polished blade with a Tsuchime Hammered Texture. The rust-resistant AUS-10 High Carbon Stainless Steel blade core is clad with Stainless Steel and has a stylish, practical Kiritsuke blade shape (Bunka), which is very similar to a multi-purpose Santoku or Bunka knife and is very capable of performing a wide variety of cutting tasks. Heat treated to HRc. 60-61, the double bevel edged blade has a 50/50 symmetrical grind.

 The Polished, Vivid Blue Pakka Wood Handle Scales beautifully match the mirror polished Kiritsuke blade, they are also strong and resist both water and shrinkage. The combination of the stylish blade and attractive blue handle reminded me of a beautiful, expansive sky and clouds, hence the name "Blue Clouds" 青雲.

 These knife features a full-tang construction, a forged stainless steel bolster and stainless steel handle rivets.

 We especially recommend our JCK Natures "Blue Clouds" Knives to customers who are considering buying their first Japanese knife and want to own a moderately priced, high quality, practical, attractive and very fashionable knife.

 The Bunka is a general-purpose kitchen knife that used to be just as popular as the Santoku, but has become less commonplace in recent years. With its tall blade, the Bunka knife is particularly suitable for cutting vegetables or fruit and the triangular tip area is particularly useful for detailed work and cutting fish or meat.

Knife Model: JCK Natures 青雲 "Blue Clouds"  Series Bunka (Kiritsuke)

Blade Material:  AUS-10 Stainless Clad

Rockwell Hardness (HRc): 60 to 61

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

Handle Material: Blue Pakka Wood Handle with Stainless Steel Bolster

Saya Included: No.

Bunka (Kiritsuke) 190mm (7.4")
Cutting edge length: 190mm
Total Length: 320mm
Blade Thickness: 2mm
Blade Width: 49mm
Handle Length: 113mm
Total Weight: 200g




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 quality and performance of Japanese knives are best in the world and hope you enjoy fine craftsmanship and spirits from your new knife. With proper cares, every Japanese knife can be your special cooking partner for long time.


This is the Stainless steel blade kitchen knife, which has good rust resistance for easy maintenance. However even stainless steel blade kitchen knife has rust situation if you leave it with wet condition.

  • Before starting to use the knife, please wash it with water for cleaning up.
  • Please do not put this knife in the dishwasher, please hand wash.
  • Please do not leave this knife in water or wet condition for long time.
  • After using, please hand wash it and wipe it clean and dry with soft clothes. (Includes bolster and handle part)
  • 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, hard foods such as lobster and crab which have hard surface.
  • We recommend re-sharpening the knife using Japanese whetstones, when it gets dull.
Customer Reviews
4.9 Based on 36 Reviews
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Filter Reviews:
Victor P.
Russia Russia
I recommend this product
Extermly Usefull for beginners

I really wanted to buy a kiritsuke knife for a reasonable price. The Blue Clouds Series was interesting for me for a while, and the price of the knife of interest is acceptable. The knife turned out to be very beautiful and unexpectedly heavy. The knife is comfortable; I think this is the perfect solution for those who want to try kiritsuke. It‘s very convenient - the rather long cutting blade of the santoku and the sharp tip from the chief make it a universal assistant. Adhesion of products to the blade is average. AUS10 steel is quite user-friendly, but sometimes I want a more aggressive cut. May be I will sharpen it at a more acute angle. But for the routine work this knife is more than enough. Or maybe I'm just used to the Powdered High Speed Tool Steel knifes, but this is a completely different price category!

Victor Pleshkan verified customer review of JCK Natures 青雲 Blue Clouds Series BC-2 Bunka (Kiritsuke) 190mm (7.4 inch)
yann M.
France France
Beautiful and sharp

Really good for the price. Fit and finish are are of very good quality, this knife is really gorgeous. Already owned the small one and I purchased the big one few days after to have the pair. For this price range, this knife is really a beauty with nice looking sharp and it is extremely sharp.

mahmut h.
United Kingdom United Kingdom
Blue cloud number 9

As usual super sharp out the box pleasure to use well balanced the finish on the knife and the colour of the handle compliment each other Excellent as usual excellent service highly recommended

mahmut hasan verified customer review of JCK Natures 青雲 Blue Clouds Series BC-2 Bunka (Kiritsuke) 190mm (7.4 inch)
Anton C.
United States United States
JCK Natures 青雲 Blue Clouds Series BC-1 Kiritsuke (Bunka) Petty 140mm (5.5 inch)

The knife is great, I love it! It is somewhat heavier than other knives from JCK but I like it. Hold edge very good, does not need sharpening more often than once a week of daily use.

Thomas M.
United States United States
Excellent value knife, good F&F

The knife has nice fit and finish - I love the look of the blade with the mirror polished tsuchime body and edge and matte grind that creates a high contrast cladding line. The handle is a beautiful blue color and angular western shape, but the sharper corners and rear edge could be a bit more rounded - same for the spine and choil of the blade. The edge is nicely sharp out of the box and has a great sword-style curved shape that allows for moderate rocking motion, and a long narrow tip that allows for the precision cutting of a petty knife. Blade thickness is consistent throughout with a nice grind looking down the choil. Overall a great-value everyday knife if you prefer something a little shorter and less curved than your average 210 gyuto, and more versatile than a santoku.

Thomas Moser verified customer review of JCK Natures 青雲 Blue Clouds Series BC-2 Bunka (Kiritsuke) 190mm (7.4 inch)Thomas Moser verified customer review of JCK Natures 青雲 Blue Clouds Series BC-2 Bunka (Kiritsuke) 190mm (7.4 inch)Thomas Moser verified customer review of JCK Natures 青雲 Blue Clouds Series BC-2 Bunka (Kiritsuke) 190mm (7.4 inch)
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