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JCK Natures

JCK Natures 青雲 Blue Clouds Series Blue Steel No.2 Nashiji Kiritsuke Petty & Bunka (Kiritsuke) (BCB-2Pcs Knife Set)

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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 end of the year 2019, we released the first models in the "Blue Clouds" series: a TsuchimeHammered Kiritsuke Petty and Kiritsuke in AUS-10. Since then, our Blue Clouds knives have become one of our Bestsellers because of the their overall quality, excellent fit & finish, moderate price and stylish, practical design.

 We have received many of positive comments about our Blue Clouds knives, including a special request to make a Carbon steel version of the Kiritsuke knives. Now, in the Spring of 2021, we are proud to introduce and finally release our newest Blue Clouds knives, which have Nashiji ("Pear skin") textured, Blue Steel No.2 blades and a beautiful, wavy forge weld line.

 The new "Blue Clouds Series" Blue Steel No.2 knives have a smooth Matt Blade Finish and Forged Nashiji texture — an innovative approach that produces very consistent and reliable results, especially when combined with the skilled hand work and finishing work performed by our smiths and craftsmen. The Mirror Polished, Blue No.2 Carbon Steel blade core is clad with low maintenance Stainless Steel and has a stylish, practical Kiritsuke blade shape (Similar to a multi-purpose Santoku or Bunka knife) that is well suited to a wide variety of cutting tasks. Heat treated to HRc. 61 to 62, the double bevel edged blade has a 50/50 symmetrical grind.

 The Polished, Vivid Blue Pakka Wood Handle Scales beautifully match the Nashij textured, Blue Steel No.2 Kiritsuke blade. These knives also feature a full-tang construction, a forged stainless steel bolster and stainless steel handle rivets.

 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.

 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. However, they are equally suitable for professionals and serious home cooks.

This is the versatile and special knife set (including the Kiritsuke Petty and Kiritsuke), which we can highly recommend them as special gift for your special person and for serious home chefs.

 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.

 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 Blue Steel No.2 Nashiji  Kiritsuke Petty & Bunka (Kiritsuke), 2Pcs Knife Set

Blade Material:  Blue Steel No.2 Clad

Rockwell Hardness (HRc): 61 to 62

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

Handle Material: Blue Pakka Wood Handle with Stainless Steel Bolster

Saya Included: No.

Kiritsuke Petty 140mm (5.5")
Cutting edge length: 140mm (5.5")
Total Length: 260mm (10.2")
Blade Thickness: 2mm (0.07")
Blade Width: 29mm (1.1")
Handle Length: 105mm (4.1")
Total Weight: 109g (3.8oz)

Bunka (Kiritsuke) 190mm (7.4")
Cutting edge length: 190mm (7.4")
Total Length: 320mm (12.5")
Blade Thickness: 2mm (0.07")
Blade Width: 49mm (1.9")
Handle Length: 113mm (4.4")
Total Weight: 206g (7.2oz)




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
    4.9 Based on 18 Reviews
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    Filter Reviews:
      Australia Australia
      I recommend this product

      Excellent value

      This is a great value set. We used this set extensively over the past year. The pair slice well. The blue 2 steel sharpens well and holds a workable edge for a couple of months in continuous use. Not as good as ZDP189 or HAP40 or other exotic steels but definitely well enough. There is a minor defect in the finish of the large knife's handle - the handle is not smooth on the underside. I would recommend. They look absolutely beautiful when the handles are wet - the blue really shines.

      Matt C.
      United States United States
      I recommend this product

      Blue Clouds Knife Set

      I am very pleased with my purchase and have already recommended the same set to others. The knives are beautiful. Shipping was very fast. 5* Thank you,

      Andrea G.
      Italy Italy
      I recommend this product

      Super serious seller

      I made an order on sunday and 4 days later the knives arrived. The package was non only fast to arrive but also carefully packed and the courier was emailing me to keep me with info about the tracking. I'm going to try the knives this evening but taking them in hand I can already say that they are light but with a strong build. In this times, whatever you are spending your money online you want seriousness in return ,and this site has it. Thank you for taking your job seriously. I will return for more business with you. Best regards

      JapaneseChefsKnife.Com JCK Natures 青雲 Blue Clouds Series Blue Steel No.2 Nashiji Kiritsuke Petty & Bunka (Kiritsuke) (BCB-2Pcs Knife Set) Review
      Matt W.
      United States United States
      I recommend this product

      Quite impressed

      Good quality for the price and shipped pretty fast with no damage to the package. Wasn't dull out of the box but also not too sharp; relatively small edge. Otherwise that edge retention is amazing.

      Nick k.
      United States United States
      I recommend this product

      Excellent product as always

      I have been a cook for 11 years and a chef for 4. I've bought all of my knives from JCK. Recently purchased the Blue Cloud series knives for my home, specifically for my wife to have good blades while I'm at work. Edge retention is great, balance is good on both sizes, plus the larger size is big enough to take on large chopping projects but light enough to not fatigue the wrists. Always a great buy with great customer service.

      JapaneseChefsKnife.Com JCK Natures 青雲 Blue Clouds Series Blue Steel No.2 Nashiji Kiritsuke Petty & Bunka (Kiritsuke) (BCB-2Pcs Knife Set) Review

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