The Bubba Lithium Ion Cordless Fillet Knife will be your best friend on all your future fishing trips. This knife is best for large filleting, detail cuts, and cleaning fish of all sizes, with 4 interchangeable blades included. Each blade is made of a high carbon stainless steel, coated with Titanium Nitride to be highly corrosion resistant to last you season after season. And with a cordless design, you can move free any way you like.