Tuna Kiri is a very long Japanese knife to cut tuna fish. Yukifuji, one of the high-class brand just for professional use for a long time in Japan, produces the Chu-Kasumi Gyokuhaku-ko (White Steel) Tuna Kiri putting soft kitchen knife iron on traditional TAMA-HAGANE steel. 

Yukifuji Sword-like Tuna-Kiri Knife 600mm

The TAMA-HAGANE steel is made with the much-treasured secret the materials of the iron selected carefully from Masago iron sand of the historical San-in district in Japan.
Sharpness, Soft usage feeling and Unparalleled durability supported by the experience through history of more than 100 years.The high carbon blade has extremely hard and sharp edge, but requires special care to avoid rusting and chipping.

Tuna cutting show

A bluefin tuna weighing approx. 50kg was successfully cut by a tuna kiri.

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All the Hocho-Knife staff
“Hocho” represents Made-in-Japan (Sushi / Sashimi) Kitchen Knives,
that is the soul of the cook!