The Master Kuo G-5 Large Taiwan Tuna Knife is meticulously crafted for severing the heads of substantial fish, slicing them from end to end, and sectioning the body into steaks. Its curved leaf shape proves exceptionally useful for processing large fish such as Tuna, Mahi, and Grouper.

This G5 model boasts a construction of 3-layered laminated steel. The outer layer is stainless steel, while the inner core features traditional Japanese High Carbon SK5 steel, with a remarkable RC hardness of 60-61.

Key Dimensions:

  • Blade: 200 x 120 x 4.5mm / 8″ x 4.75″ x 0.18″
  • Handle Length: 100mm / 4″
  • Overall Length: 305mm / 12″
  • Weight: 525 g / 18.5 oz

Maintenance Instructions:
To ensure longevity, clean the knife with warm water and soap, towel drying promptly. Avoid using a dishwasher. While the stainless-clad outer steel resists rust, the exposed SK5 core edge steel may develop surface rust over time. Routine sharpening can effectively remove most surface rust.


g series family
Master Kuo Family

Master Kuo knives are some of the sharpest factory sharp knives we’ve ever seen, but they are capable of even more after our professional sharpening services. We recommend the 2000 and 5000 Grit services for this knife. You can also add a custom made leather sheath.


Weight 1.5 lbs
Dimensions 14.25 × 5.5 × 1.25 in

Master Kuo


Master Kuo G series


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