SKU: 54734737078

Yu Kurosaki "Kokusenei" Aogami Super 170mm Santoku

Sale price$125.55 Regular price$139.50
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Description

Yu Kurosaki "Kokusenei" Aogami Super 170mm SantokuMaster Kurosaki has advanced his "Senko Ei" series by introducing the "Kokusenei," meaning "Black Sparkle." This Kurouchi version retains all the qualities of the original Senko Ei but features Aogami Super steel at its core. It's an excellent choice for those who appreciate Yu Kurosaki's craftsmanship and grinding but prefer carbon steel over the original R2 SG2 steel. Spec: Origin (Made in): Echizen, Fukui Prefecture, Japan Brand: Yu Kurosaki

Master Kurosaki has advanced his "Senko-Ei" series by introducing the "Kokusenei," meaning "Black Sparkle." This Kurouchi version retains all the qualities of the original Senko-Ei but features Aogami Super steel at its core. It's an excellent choice for those who appreciate Yu Kurosaki's craftsmanship and grinding but prefer carbon steel over the original R2/SG2 steel.

Spec:

  • Origin (Made in): Echizen, Fukui Prefecture, Japan
  • Brand: Yu Kurosaki
  • Craftsman: Yu Kurosaki
  • Knife Type: Santoku
  • Blade
    • Construction: San Mai
    • Grind: Double-edged Blade (50/50 Grind)
    • Hagane (Core Steel): Aogami Super 
    • Jigane (Cladding): Stainless Steel
    • Hardness: 63-64 HRC
    • Hand-sharpened
  • Blade Finishes:
    • Signature Tsuchime (Hammered)
    • Kurouchi
  • Blade Length: 170mm (6.7")
  • Blade Height (at heel): 47mm
  • Spine Thickness
    • Above heel: 1.8mm
    • Middle: 1.8mm
  • Handle
    • Shape: Hachikaku (Octagonal)
    • Material: Teak
    • Kuchiwa: Black Buffalo Horn 
    • Length: 127mm
  • Overall Length: 313mm
  • Weight: 122g (4.30oz) 
  • Engraved Mark: In Japanese Kanji "Kurosaki Yu" (黒崎 優)

About Yu Kurosaki 黒崎 優

A young artisan in his forties, Yu Kurosaki has become one of leading knife makers in Japan, winning top awards and attention for his hand-forged knives especially his Tsuchime finish. Inheriting over 700 years of knife making skills from previous generations of Echizen artisans, Mr Kurosaki has focused his career on making knives that give unforgettable impressions and incredible cutting pleasures. Yu's unique Tsuchime design, as seen in his Shizuku and Fujin series, are not only aesthetically magnificent but also incredibly functional when it comes to making food less likely to stick to blades. Today, Yu's works, hand made in small batches, have become so popular overseas that his top knives like the ones featured in Burrfection Store are increasingly hard to come by.

Care:

 

Aogami Super (Blue Super) steel is considered the most superior Japanese high carbon steel for knife making. It is not stainless, therefore you must wipe your knife dry after each use, in particular the core steel not covered by the stainless cladding. Patina will develop over time, which will appear as “discoloration” on the cutting edge, but that is the nature of carbon steel - not a defect. The stainless cladding covers a large part of the blade, making maintenance easier but still preserving the cutting and sharpening pleasure of the Aogami Super core. Avoid cutting into bones, frozen foods, hard fruit pits.

Cutting Surface:

Recommended cutting surface: wood, rubberized boards and high-end composites, and quality plastics such as polyethene make acceptable cutting surfaces, and will help protect and prolong knife’s edge. AVOID glass, metal, countertops, and other rigid, non-forgiving surfaces.

Sharpening:

We recommend sharpening all quality Japanese knives on whetstones, as we believe they yield the best results for your knives. 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 54734737078

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Paul D Kopco
Dallas, US
★★★★★ 5
Perfectly adequate
Size: 12 Packs, Style: Lunch Napkin
Perfectly adequate for everyday use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 16, 2025
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Naina
Birmingham, US
★★★★★ 5
Raised the price $10 ???
Size: 12 Packs, Style: Lunch Napkin
These napkins are great and I am a return customer BUT. I can’t believe all the sudden they raised the price $10. I am not happy at all. I will still buy them but I will use them much less Better for entertainment and my pocket. This is how I fight back when they raise the price.
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Reviewed in the United States on August 11, 2025
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Jax82
New York, US
★★★★★ 5
Great quality
Size: 12 Packs, Style: Lunch Napkin
Napkins arrived quickly. There is a lot of them but we will use them. They are good quality, have not had any rip on us. They absorb liquids and food pretty well, cleans the hands like they should. They feel like normal napkins, soft but tough enough to wipe with. Good product that I will continue using.
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Reviewed in the United States on February 19, 2025
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Kathleen E Conner
Los Angeles, US
★★★★★ 5
Great plated and nice designs to chose from . These are good and strong.
Size: 10 in-140 count
Love these plates for every soy. I normally use paper plates for lunch but I started using them for non messy dinners. We have even used them for spaghetti. They handled the sauce and meaball and sausage with no problem. I would normally U.S. China plates for something like the, I got lazy one night and used these I was pleasantly shocked they worked with no leak through.
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Reviewed in the United States on April 30, 2026
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Kindle Customer
Charlottesville, US
★★★★★ 5
Sturdy plates
Size: 10 in-140 count
I purchased these but I normally go to Sam’s Club for bulk. I had a party and these were a hit. Very sturdy and plenty of room. I don’t really like the edges, they’re straight but that’s cosmetic preference not function.
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Reviewed in the United States on March 3, 2026

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