Master Kuo G-5 L Taiwan Tuna Knife - Large Fish KnifeHighlights The Master Kuo G 5 Large Taiwan Tuna Knife is a versatile and powerful knife designed for cutting large fish. Used for cutting heads off large fish, slicing the fish from end to end, and cutting the body into steaks Curved blade shape for efficient butchering of large fish like Tuna, Mahi, and Grouper Made with 3 layered laminated steel Outer layer: Stainless steel Core: Japanese high carbon SK5 steel Rockwell hardness: 60 61 Description