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JCK Natures

JCK Natures Raiun Series RD-4 Nakiri 165mm (6.4 inch)

Availability: Normally ships the same day

“RAIUN雷雲”, that means " Thundercloud” in Japanese. Like Thundercloud, the JCK Raiun has vivid and good impact of the beautiful Damascus blade and matching dark color of Red-Sansaldwood handle.

Raiun knife has a beautiful layers of Damascus blade which is slightly Up-Swept blade shape for fine grip and efficient cutting process. This knife features a hand sharpened and hand honed VG-10 Damascus stainless steel blade (HRc. 60-61. 50/50 symmetrically ground double beveled edge).

Raiun knife has Oval shape of Red-Sandalwood handle with black pakka wood ferrule.

The Nakiri is a double bevel edged knife that is rectangular in profile and has a tall, thin blade. It is popular throughout Japan and is often used by home cooks for quickly and efficiently chopping, slicing or mincing vegetables and fruit. It is becoming increasingly popular with vegetarians.

Knife Model: JCK Natures Raiun Series Nakiri

Blade Material:  VG-10 Damascus

Rockwell Hardness (HRc): 60 to 61

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

Handle Material: Oval Shaped Red-Sandal Wooden Handle with Black Pakka Wood Ferrules

Saya Included: No.


Nakiri 165mm (6.4") 
Cutting edge length: 160mm (6.2")
Total Length: 305mm (12.0")
Blade Thickness: 2.4mm (0.09")
Blade Width: 51mm (2.0")
Handle Length: 125mm (4.9")
Total Weight: 170g (5.9oz)



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 7 Reviews
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Filter Reviews:
    Kurt S.
    Germany Germany
    I recommend this product
    Beautiful and sharp

    It is a joy for chopping and slicing. Just the weight of it is enough to carry the blade through the veggies, and if it doesn’t easily then just a couple of strokes on the stone do the trick. Since it is so sharp, I don’t need much force, and since I don’t need force they are easier to control and safer too.

    JapaneseChefsKnife.Com JCK Natures Raiun Series RD-4 Nakiri 165mm (6.4 inch) Review
    United States United States
    I recommend this product
    Beautiful, quality knife! A pleasure to use.

    I cook every day and appreciate good tools for any task, including a sharp knife. This knife is not only incredibly sharp and practical, it is gorgeous! It's truly a pleasure to use. The handle is smooth and comfortable, the balance is perfect, and the edge is thin and sharp. The shape of the nakiri is great for vegetables and allows plenty of surface for your knuckles to slide against while slicing. I enjoy cooking but I look forward to the prep even more because I can use this knife! I was also very pleased with the speed of shipping and careful packaging. A five star experience!

    Kevin R.
    United States United States
    I recommend this product
    A gift.

    I bought this knife for my mother as a gift. She had never seen a knife like this before. It cuts like nothing she has ever seen. Beautiful.

    JapaneseChefsKnife.Com JCK Natures Raiun Series RD-4 Nakiri 165mm (6.4 inch) Review
    Lucas V.
    United States United States
    I recommend this product
    Use it everyday

    Handles deftly, stays sharp, handsome on the knife magnet. Beautifully balanced, lively knife. Easy to be precise. A pleasure to use. Vegetables quiver in fear.

    JapaneseChefsKnife.Com JCK Natures Raiun Series RD-4 Nakiri 165mm (6.4 inch) Review
    Dave H.
    Canada Canada
    I recommend this product
    I always return to JKC

    Several years ago I discovered Koki at JKC. There was a fantastic array of knives available and I was looking to ditch my traditional European brands. I ordered a couple of knives to test the water and was ultimately impressed with the quality and response by JKC. Koki also added a personal touch by keeping me up to date on my orders and checking to see if I was satisfied. I've been a fan and repeat customer ever since. Now I'm introducing my son to Japanese knives and he's hooked. JKC is the place to go for all your needs. Excellent products at realistic prices.

    JapaneseChefsKnife.Com JCK Natures Raiun Series RD-4 Nakiri 165mm (6.4 inch) Review
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