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Hatsukokoro Nakagawa 135mm Ajisaki Ginsanko Ebony Black Buffalo Horn Handle

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These have a solid feel with little overall flex but behind the edge they are super thin and ‘nail-going.’ This means the edge can be temporarily bent with pressure against a fingernail--an old style test for proper thinness on a fine ground blade. While not the thinnest in our stock at the spine, behind the edge they are quite possibly the thinnest. They will cut very very smoothly but can be easy to damage if any twisting, lateral pressure or scraping is applied. These are best suited for those already using thin edged Japanese knives and maybe not the best first Japanese knife for someone used to tougher knives. 

Nakagawa-san's knives are characterized by superb edge formation and edge life with good toughness. This is due to excellent heat control during forging and a very thorough heat treatment. His carbon steels are easy to sharpen across most steel types. Nakagawa-san is one of only a few blacksmiths in Sakai to forge Ginsanko and VG10 stainless steels. His ginsanko is one of the best we have used and sharpened, with superb edge life, toughness and edge formation.

These knives feature super fine grinding by Morihiro, known for his single and wide double bevel grinding work. Morihiro was instrumental in bringing Sakai's tradition of single bevel grinding to double bevel wa-hocho. He was the sole sharpener of the Konosuke Fujiyama line (until 2018) and also works on the Sakai Kikumori Choyo series as well as other projects from Sakai.

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. 

Fish Butchery

Designed specifically for fish breakdown.

Light Butchery OK

Safe for use around bones.

Stainless Steel

Non-reactive blade.

Single Bevel

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

Right-Handed

Made for use in the right hand.

Deba

A deba is a traditional Japanese single-bevel knife designed for processing fish. Its thick, heavy blade provides the strength needed to break down whole fish, remove heads, and make clean cuts through bones without chipping. The fine, razor-sharp edge near the tip allows precise filleting and skin removal. While primarily used for fish, the robust heel can also handle light poultry work. The deba’s weight and geometry give it controlled, confident cutting in tasks that require both power and accuracy.

Listed Length: 135mm
Total Length: 278mm
Edge Length: 139mm
Heel Height: 46mm
Spine Thickness: 3.6mm
Weight:
Orientation: Right-handed

Blade Type: Stainless Steel
Steel Type: Ginsanko (Silver #3)
Steel Hardness (HRC): undisclosed
Maintenance: Less Attention
Handle Type: Japanese (wa)
Handle Material: Ebony & Horn Ferrule

  • This is a stainless steel knife made from hard steel.
  • Hand wash and dry immediately after use. Do not air dry or clean in the dishwasher.
  • Rust can form with repetitive long-exposure to moisture or debris.
  • Remove surface rust gently with a mild abrasive and progress to more aggressive abrasives if needed. Coarse abrasives will leave scratches in most finishes.
  • New deba edges are thin. Avoid excessive twisting to avoid edge damage.
  • Do not use bamboo, plastic, stone or metal cutting surfaces.

Medium-fine Single Bevel

About Satoshi Nakagawa


Satoshi Nakagawa is a rising blacksmith from Sakai, Osaka. He trained for 16 years under legendary bladesmith Kenichi Shiraki, becoming Shiraki’s sole apprentice and successor. In 2021, Nakagawa founded Nakagawa Hamono after his mentor’s retirement. Renowned for his versatility, he forges everything from traditional carbon steels but has made a name for himself in working with high alloy stainless steels. Nakagawa’s honyaki knives carry forward Sakai’s legacy with exceptional hardness, beautiful hamon patterns, and superb cutting performance, earning him acclaim among collectors and chefs worldwide.

See All Satoshi Nakagawa