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See the product cards below for the specific knives in our range that feature Coreless construction — every product listing includes the steel, profile, blade construction, and surface finish so you can compare across our catalog.
Care
Hand wash with warm water and mild detergent, dry immediately with a soft cloth. Avoid the dishwasher, abrasive scouring pads, and prolonged contact with acidic foods. Carbon-steel knives benefit from a thin coat of food-safe camellia or mineral oil between uses.
Questions answered
無芯構造（Coreless）是一種在日本非常獨特、但在美國更為常見的刀具製造方式。這種結構中，夾層鋼與芯鋼之間沒有明確的界線，整把刀是由兩種或更多種可硬化鋼材鍛打而成的均勻大馬士革鋼。經典的範例是將 1084 碳鋼與 15N20 鎳鋼層疊鍛造，這被大多數美國刀匠所採用。但在日本，由於鍛造大馬士革鋼坯料耗時費力，無芯構造極為罕見，通常只出現在極其昂貴的收藏級刀具上，其價格有時甚至超過尊貴的本燒（Honyaki）刀具。日本無芯刀具常見的鋼材組合是青鋼二號與白鋼二號，兩者合金成分的差異使得在受控條件下蝕刻後能呈現出一定的對比度。更稀有的無芯刀具可能會加入青鋼或白鋼一號以創造不同的色調層次。例如，橋本莊市等大師曾將 13 種不同鋼材與少量鐵混合鍛造成大馬士革鋼，創造出令人驚嘆的圖案。因此，無芯... A full process description and historical context appear in the detailed section on this page.
The Coreless construction is produced through a specific combination of forging, lamination, and grinding processes characteristic of traditional Japanese knife-making. See the description above for details specific to this construction.
See the product cards below for the specific knives in our range that feature Coreless construction — every product listing includes the steel, profile, blade construction, and surface finish so you can compare across our catalog.
Hand wash with warm water and mild detergent, dry immediately with a soft cloth. Avoid the dishwasher, abrasive scouring pads, and prolonged contact with acidic foods. Carbon-steel knives benefit from a thin coat of food-safe camellia or mineral oil between uses.
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6 knives in our current range
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