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Masamoto KS Series Hon Kasumi White Steel No.2 Kiritsuke Yanagiba (270mm to 330mm, 3 sizes)

Availability: Normally ships within 1 to 2 days

The KS Series is Masamoto’s range of high-grade Shiro-ko #2 (White Steel No.2) Hon Kasumi Japanese traditional-style knife. When compared with the Kasumi knife-making process, the production of Hon Kasumi knife requires several extra steps be carried out during the forging, quenching, sharpening and finishing stages of production and requires a higher level of craftsmanship. Unlike the KK Series, the KS Series is completely hand sharpened, polished and finished by especially skilled and experienced craftsmen, which results in extra edge sharpness and a more refined level of finish.

Masamoto KS Series knife uses a blade core of Hitachi White Steel No.2 (HRc. 62-63), which is forge-welded with soft iron. White Steel No.2 is very pure and is capable of achieving a high hardness level without being overly brittle, so it can be used to create very sharp edges with good edge retention that are also easy to sharpen. It is perfect for professional users who like to keep their knives extra sharp.

Each knife is fitted with a traditional Japanese ‘D-shaped’ magnolia wood handle with a water buffalo horn ferrule / collar and also includes a matching magnolia wood Saya (Sheath) for safekeeping.

The Kirisuke Yanagiba has a very similar blade profile to the ‘regular’ Yanagiba, but it has what is commonly known as a 'reverse tanto' tip, or ‘clipped point’, which is very useful for precision cutting. Apart from this difference, the Kirisuke Yanagiba functions in the same way as the ‘plain' Yanagiba or the Takohiki.

Knife Model: Masamoto KS Series Kiritsuke Yanagiba

Blade Material:  White Steel No.2

Rockwell Hardness (HRc): 62 to 63

Blade Grind and Edge Shape: Single Bevel Edge

Handle Material: D Shaped Magnolia Wooden Handle with Water Buffalo Horn Ferrule

Saya Included: Yes.


Kiritsuke Yanagiba 270mm (10.6")
Total Length: 450mm
Blade Thickness: 4mm
Blade Width: 35mm
Total Weight: 180g
Kiritsuke Yanagiba 300mm (11.8")
Total Length: 490mm
Blade Thickness: 4.1mm
Blade Width: 35mm
Total Weight: 220g
Kiritsuke Yanagiba 330mm (12.9")
Total Length: mm
Blade Thickness: mm
Blade Width: mm
Total Weight: g



 Japanese Traditional Style “Wa-Bocho” knives generally come with Single bevel edge for right handed use (the opposite side of blade is ground flat with slightly concaved shape). The reverse grinding left handed version is also available at 50% extra of regular price. (Sorry for much extra! Due to a small demand for the left handed version in Japan, it is costly to run a special small production from the beginning step). We try to keep the left handed versions in stock, but once sold out, it may take 30 to 45 days for delivery. Please contact us first for the availability at email.

We believe the quality and cutting performance of Japanese knives are the best in the world, and hope you enjoy the fine craftsmanship and their sharp edge of your new knife. With proper cares, every Japanese knife should be your special cooking partner for a long time.



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 a 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 a 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
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Filter Reviews:
    I K.
    United States United States

    Masamoto KS Kiritsuke Yanagiba 3300

    A+++, very Happy when received the product, definitely one of the best investment every chef should have. Picture don’t do the judge, you gotta hold it yourself and feel how this knife do the work for you, super sharp and great quality..

    Okta H.
    Seychelles Seychelles
    I recommend this product

    My 1st Japanese knife

    OMG,, just received it and I can say "wow" this is very amazing knife. So light, precise cut, and perfect details. Very happy to have this knife. Arigatou gozaimasu mr. Iwahara. Regards,

    JapaneseChefsKnife.Com Masamoto KS Series Hon Kasumi White Steel No.2 Kiritsuke Yanagiba (270mm to 330mm, 3 sizes) Review
    John I.
    United States United States
    I recommend this product

    Excellent extra highest quality!

    Like a creative spirit, this knife cuts easily effortlessly sweet potato squash, fine meats for various sushi sashimi and artful creations. This knife is a fine samari like sword cutlery. We stand on the shoulders of our master teachers and so it is with the master makers of this knife,too! We can grow into our own mastery with this fine masters knife tool! Thanks

    Alejandro m.
    Seychelles Seychelles
    I recommend this product

    Professional knives.

    Im a professional Sushi chef with Michelin star experience. i'm very happy with my new Masamoto knive Kiritsuke yanagiba. it tooks 1 month to be ready because im lefty. customer service is very professional. I trust in the quality, and the customer service is Top. highly recommended Thank you Koki san.

    JapaneseChefsKnife.Com Masamoto KS Series Hon Kasumi White Steel No.2 Kiritsuke Yanagiba (270mm to 330mm, 3 sizes) Review
    Jakub M.
    United Kingdom United Kingdom
    I recommend this product

    Great from A to Z

    Ordering from Europe, the shipping and delivery was super quick. The knife, well packed, came as described, sharp out the box. As it's my second Masamoto, I can only say that the quality of these knives is top notch, great companions in the kitchen, real easy to use and maintain (with a bit of getting used to).

    JapaneseChefsKnife.Com Masamoto KS Series Hon Kasumi White Steel No.2 Kiritsuke Yanagiba (270mm to 330mm, 3 sizes) Review
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