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Home | Japanese Kitchen Knives | Hatsukokuro Nakagawa 270mm Kiritsuke Yanagi Aogami 1 Damascus Black Bu

Hatsukokuro Nakagawa 270mm Kiritsuke Yanagi Aogami 1 Damascus Black Buffalo Horn

€605,34
€605,34
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Beautifully hand forged suminagashi damascus over aogami 1 carbon steel with horn ferruled ebony handle.

Nakagawa-san's knives are characterized by excellent heat control during forging and a very thorough heat treatment. This creates knives that have superb edge formation and edge retention, with good toughness. 

The sharpener on this series is credited as Kawakita Hamono operated by Kazumi Kawakita. Kawaita-san is a famed master sharpener who lists many notable and well-respected Sakai sharpeners as former students. Notably Morihiro who pioneered putting traditional Sakai wide bevels on double bevel wa-hochos. He was the sole sharpener of the Konosuke Fujiyama line (until 2018) and also works on the Sakai Kikumori Choyo series as well as a credited grinder for Nakagawa and other projects from Sakai.

This knife has a hard carbon steel core with iron cladding for added durability. The entire blade will develop a patina with use, especially with acidic foods. Special attention is needed to keep from rusting. Do not leave wet. Hand wash & dry, no dishwasher. Hardwood-end grain or softwood long grain cutting boards are preferred; avoid bamboo and plastic cutting boards. Rust can be removed with a light abrasive.




About This Knife

Sushi Specialty

Designed specifically for slicing raw fish and sushi preparation.

Avoid Bones & Dense Foods

If you can't bite it, don't cut it.

Carbon Steel

Reactive blade.

Single Bevel

Wide bevel on outside face—hollow grind on inside face.

Right-Handed

Made for use in the right hand.

Yanagi

A long, single-bevel slicing knife used for sashimi and delicate fish work. It’s hollow-backed (concaved) grind is designed to reduce dragging and pulling for smooth, clean cuts in one motion to preserve texture.

Listed Length: 270mm
Total Length: 411mm
Edge Length: 259mm
Heel Height: 33mm
Spine Thickness: 4.6mm
Weight:
Orientation: Right-handed

Blade Type: Carbon Steel
Steel Type: Aogami 1 (Blue Paper #1)
Steel Hardness (HRC): undisclosed
Reactive: More Attention
Handle Type: Japanese (wa)
Handle Material: Ebony & Horn Ferrule

  • This is a reactive carbon steel knife made specifically for use in the left or right hand. Be sure to check handedness before purchase.
  • Expect oxidation (color change, staining, spotting) with use.
  • Hand wash and towel dry immediately after use. Do not use a dishwasher or air dry.
  • Remove any surface rust with a light abrasive.
  • Avoid lateral pressure or forceful use—this can damage both the edge and the ura (flat side).
  • Avoid bones to avoid damage.
  • Use only on wooden cutting boards.

Dive Deeper

Fine Single Bevel

Sharpen on whetstones starting around 1000 grit for micro-bevel work or use a full progression from 400-6000/8000 when lowering the kireba. Don't over-sharpening the ura; only work long enough to flip the burr and polish. Do not use honing rods; instead, strop for burr removal and for as-needed edge maintenance with a borachrome (medium-fine finish) or chromium (fine finish).

Sharpening Supplies

Stones & Accessories selected specifically for this knife.

Bernal Cutlery Takarazukushi 500 Grit Soft & Fast Ceramic Japanese Whetstone

Bernal Cutlery Takarazukushi 500 Grit Soft & Fast Ceramic Japanese Whetstone

€40,53
€40,53
Bernal Cutlery Takarazukushi 4000 Grit Yellow Semi-Hard Resinoid Japanese Whetstone

Bernal Cutlery Takarazukushi 4000 Grit Yellow Semi-Hard Resinoid Japanese Whetstone

€72,25
€72,25
Bernal Cutlery Takarazukushi 1200 Grit Blue Marble Semi-Soft Ceramic Japanese Whetstone

Bernal Cutlery Takarazukushi 1200 Grit Blue Marble Semi-Soft Ceramic Japanese Whetstone

€65,20
€65,20
Naniwa Chosera Pro 800 Whetstone

Naniwa Chosera Pro 800 Whetstone

€59,92
€59,92
Naniwa Chosera Pro 400 Whetstone

Naniwa Chosera Pro 400 Whetstone

€56,39
€56,39
Naniwa Chosera Pro 1000 Whetstone

Naniwa Chosera Pro 1000 Whetstone

€68,73
€68,73
Naniwa Chosera Pro 2000 Whetstone

Naniwa Chosera Pro 2000 Whetstone

€75,78
€75,78
Naniwa Chosera Pro 5000 Whetstone

Naniwa Chosera Pro 5000 Whetstone

€135,69
€135,69
Arashiyama #1000 Whetstone Medium Hard with Natural Grit

Arashiyama #1000 Whetstone Medium Hard with Natural Grit

€37,01
€37,01
Arashiyama #6000 Whetstone Stone NO Wooden Base

Arashiyama #6000 Whetstone Stone NO Wooden Base

€51,11
€51,11
Arashiyama #6000 Whetstone With Nagura Stone and Wooden Base

Arashiyama #6000 Whetstone With Nagura Stone and Wooden Base

€54,63
€54,63
Kitayama #8000 Whetstone with Nagura and Wooden Base

Kitayama #8000 Whetstone with Nagura and Wooden Base

€74,01
€74,01
Bernal Cutlery Chromium Oxide Precharged Deburring Strop

Bernal Cutlery Chromium Oxide Precharged Deburring Strop

€30,84
€30,84
Atoma #140 Diamond Stone No Holder

Atoma #140 Diamond Stone No Holder

€92,52
€92,52



Aogami 1 (Blue Paper #1)

Carbon (C): 1.3–1.4%| Tungsten (W): 1.5–2.0%| Chromium (Cr): 0.3–0.5%

Aogami 1 is a high|carbon tool steel (~1.3–1.4% C) with tungsten and chromium additions that enhance hardness and wear resistance. It’s capable of ~65 HRC and maintains excellent edge retention with moderate toughness. The steel sharpens cleanly, forms an exceptionally fine edge, and is common in top|end Japanese kitchen knives. Like other Aogami steels, it rusts easily and requires attentive care.