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Please add it to your kitchen knife collection.

At present, it is common sense in Japan to buy Mizumoto Yaki (Water quenching) without hesitation.

Genkai Masakuni is currently one of the few craftsmen who can make Mizu honyaki (Water quenching) knives.

He may be the only one who can do Mizumoto Yaki (Water quenching).
He trains in Sakai and then forges in his local Saga prefecture, but all his sharpeners are Sakai craftsmen.

If possible, we recommend that you sharpen with a natural whetstone.

About Genkai Masakuni (link to outside site in Japanese)

Kiritsuke Yanagiba Shirogami-1 (WS#1) Mizu Honyaki 360mm Mt.Fuji and Moon Mirror Finish By Masakuni Genkai

切付柳刃 白一鋼 水本焼 1尺2寸 富士掛かり満月 平鏡面 鍛師:玄海正國

List price: USD2,654.81
You save: USD265.48 (10%)
In stock

This product is limited to one item and will not be restocked.

Free shipping
usually delivered in 1-2 days      Address update

Be sure to select whether or not the handle is joined.

!Important Notice

We try to capture images that represent the real product as much as possible. However, the actual product delivered may differ from the product image due to lighting. Please note this point.If you would like additional images, please contact us as they will be taken individually.


Brand New/unused
Image information takes precedence over textual information listed on the product page.
Rust prevention:
The rust-proof liquid vinyl that looks like a rainbow is painted.
Use applications:
Suitable for slicing sashimi by drawing.
Country/Region of Brade:
Sakai / Osaka Pref./ Japan
Yoneo Mukai (Masakuni Genkai )
Nori Igarashi
Knife Type:
Yanagiba Kiritsuke
Constraction of Knives:
SIngle Edge (Bebvel)
Steel Name:
White #1 Steel
Forge Welding:
Honyaki (Mono Carbon Steel)
Forging Method:
Free forging
Quenching Methood:
Traditional Water Quenching (Mono Steel)
Finish and design:
Front Mirror finish (Flat)
Hamon (Wave) :
Mt.Fuji embossing and Full Moon
Cutting Blade Length (From tin to chin) :
approx 318mm
Blade Length (from tip to core's hips) :
approx 440mm
Blade Height (Maxim point) :
approx 34mm
Thickness(Maxim point) :
approx 3.8mm
According to image
Handle Material:
Octagonal Rosewood
Joining Handle:
Unjoined / If you want to join, please check the joining request (free)
Saya (Sheath):
Certificate or Booklet:
Equipped Certificate
Dominant hand:
Note of Use:
Since the blade can chip or break, do not attempt to cut, hit or chop frozen products or hard bones.
this is a high carbon steel knife, the knife rusts easily,which requires special care. Apply oil if for long-term storage. Also use a sharpening stone to maintain the sharpness of the blade.
Product contains:
Collection item
Display Goods:
Knife holder is not included.


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Important Notice

*Colour and shape can differ from the photo and actual product due to camera and lighting.

*Also, you may see difference in colour due to the oil applied to protect from rust.

*For handmade products, there may be small scratches. There is no problem in use at all.

*In addition, vintage products may have minor scratches due to long-term storage.

*Wood products may age over time.

Please check the image well before purchasing.