Rapala Stealth FXF Knife The new Stealth FXF filleting knife combines tradition and innovation in a unique product. With over 50 years of experience in manufacturing high-quality knives in the FNF series, these knives are designed for extreme sharpness. The Stealth Fish X Fillet series sets new standards with premium upgrades in the areas of handle ergonomics, material, blade design and aesthetics. This knife offers the perfect balance between functionality and style, making it ideal for demanding anglers and chefs. Handle length: 16.5 cm.