"The Bubba Interchangeable Blade System delivers 4 fillet knives in 1 convenient package, allowing you to make short work of any size of fish without swapping knives. This unique interchange system delivers the reliable strength and durability of full-tang blades without sacrificing the speed and ease of an interchangeable blade. Super-sharp, titanium-nitride-coated high-carbon stainless steel blades slide through flesh for fast prep work, while the nonslip handle provides exceptional control and handling. Includes a 7"" Tapered Flex blade, 8"" Ultra Flex blade, 9"" Stiff Flex blade, 9"" Serrated Flex blade, grip, and molded carry case. 4 fillet knives in 1 The reliability of full-tang blades The speed and ease of an interchangeable blade Super-sharp, titanium-nitride-coated high-carbon stainless steel blades Nonslip handle grip"