Durable Stainless Steel Construction: High-quality 9" blade ensures long-lasting sharpness and reliable performance for precise filleting Easy to Install: Designed for quick and effortless replacement, ensuring minimal downtime during your fishing trips Precision Cutting: Razor-sharp edge delivers clean and efficient cuts, making it ideal for filleting large fish with ease Compatible with Rapala Electric Fillet Knives: Perfectly fits Rapala electric fillet knives, ensuring seamless integration and optimal performance Rapala: Made by fishermen for fishermen, we understand what you need