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Masamoto KS Series Sweden Stainless Steel SW-4216 Wa Petty 165mm (6.4 inch)

Availability: Normally ships within 1 to 2 days

The KS Series is Masamoto’s range of high-grade Sweden Stainless Steel Japanese traditional-style knife. Masamoto KS Series Wa Petty 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 Sweden Stainless Steel (HRc. 59-60). This is the Stainless Steel Version of Masamoto's popular KS White Steel No.2 Wa Petty. 

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.

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.

Knife Model: Masamoto KS Series Sweden Stainless Steel Wa Petty

Blade Material:  Sweden Stainless Steel

Rockwell Hardness (HRc): 59 to 60

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

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

Saya Included: Yes. 


Wa Petty 165mm (6.4")
Cutting edge length: 165mm
Total Length: 310mm
Blade Thickness: 1.8mm
Blade Width: 30mm
Handle Length:130mm
Total Weight: 60g



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 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
5.0 Based on 4 Reviews
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Filter Reviews:
    Austria Austria
    I recommend this product
    Like a feather

    This knife feels like a feather in your hand. It is so light and well balanced... Its also very thin, so it glides through everything very easily. I Love it. It also has a clean look - beautiful! Highly recommended!

    JapaneseChefsKnife.Com Masamoto KS Series Sweden Stainless Steel SW-4216 Wa Petty 165mm (6.4 inch) ReviewJapaneseChefsKnife.Com Masamoto KS Series Sweden Stainless Steel SW-4216 Wa Petty 165mm (6.4 inch) Review
    David G.
    United States United States
    I recommend this product
    Super sharp and lite

    The knive is super lite, i thought i wouod like because i usually like more weight, but nope. It is very sharp and i love cutting my cooked proteins (steaks, chops, etc) with it. It slices through very clean, like cutting through melted butter. The packaging was great, it arrived quickly and well packed to avoid any damage. Love it. Thank you

    Justin R.
    Australia Australia
    I recommend this product
    Excellent product and service.

    Hi quality item. Razor sharp and holds an edge very well. You get what you pay for! Service is second to none. Would highly recommend.

    Jason C.
    Canada Canada
    I recommend this product
    Masamoto KS Series Sweden Stainless Steel SW-4216 Wa Petty 165mm (6.4 inch)

    I’ve bought 2 knives so far from Japanesechefsknifes so far. I 150% support this site and company. They have been really helpful as well learned a lot about the knife I was purchasing. I have bought 2 masamoto ks series knives and as a chef that works 70-90 hour weeks and always cooking and cutting thing throughout the day. I may say it’s one of the best knives I have ever purchased. My knife collection running a long way going into 3 knife bags now starting with global, miyabi birch wood to the masamoto set. The 2 knives do everything I need on the daily basis while keeping a sharp cutting edge.

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