Experience the versatility of a vintage Nihonbashi Kiya knife pairing
This vintage two-piece Nihonbashi Kiya set pairs a recorded 280mm gyuto with a 150mm utility knife. Listed Japanese carbon-steel blades offer two different working lengths for larger preparation tasks and more detailed trimming, with the character and maintenance requirements of reactive steel.
The Specs
Brand: Nihonbashi Kiya
Set: Two Japanese kitchen knives
Gyuto: 280mm blade, as recorded
Utility or petty knife: 150mm blade, as recorded
Blade material: Japanese high-carbon steel, described as hagane; exact grade and hardness are not established
Edges: Recorded as double-bevel; the claimed symmetrical grind and handedness require inspection
Handle materials: Not specified in the existing record
Origin: Japan, as recorded
Condition: Vintage; inspect each knife's current condition
The Maker & the Set
The existing description identifies Nihonbashi Kiya as a Tokyo-based cutlery institution and cites a 1792 founding date and Edo-period heritage. Those historical details have not been independently verified in this audit and do not establish the age, forging method or individual maker of these knives.
The long gyuto provides drawing length for slicing larger boneless proteins and roasts, as well as room for controlled vegetable preparation. The shorter utility knife offers an alternative for trimming, peeling, fine dicing, silver-skin removal and fruit or vegetable garnishing. Actual cutting performance depends on each knife's geometry, edge and condition.
Carbon steel can develop a blue-grey patina during use, but that patina is not a non-stick coating or a guarantee against rust. Carbon steel does not automatically outperform every stainless alternative. Wipe the blades during preparation and clean and dry them promptly, particularly after acidic or salty foods. Confirm markings, dimensions, bevels and condition before making the set live.
Care & Maintenance
Hand wash with warm water and mild detergent immediately after use. Never soak or put in a dishwasher.
Wipe the blades frequently during preparation, especially after contact with acidic or salty ingredients.
Dry immediately and thoroughly after washing.
For extended storage, apply a thin coating of food-safe mineral oil or suitable food-safe camellia oil to the blades.
Have the existing bevels checked before honing. Use a honing tool only where suitable for the confirmed geometry and condition.
Sharpen on suitable whetstones, preserving each knife's existing bevel, or use a professional sharpener familiar with Japanese knives.
Avoid hard bones, frozen food, twisting cuts and hard cutting surfaces.
Store clean and dry with both cutting edges protected.
Age restriction: The purchase of knives is restricted to persons aged 18 years and over in accordance with applicable Australian state and territory laws, including the Queensland Weapons Act 1990 and South Australian Summary Offences Act 1953. By purchasing a knife through this store, you confirm you are aged 18 or over.
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