The Cuda 18090 Blue Titanium Bonded 7" Wide Fillet Knife is a great choice for all purpose filleting. This knife features a corrosion-resistant German 4116 stainless steel blade with a full-tang construction for increased durability. The wide blade has an oversized backbone making it thick and strong. Cuda 18090 Wide Fillet Knife Features: Wide bladeGerman 4116 corrosion resistant stainless steel bladeTitanium Bonded blade stays sharper longerPrecision ground edgeVisible full-tang constructionNon-slip Cuda scale pattern gripGreat for all-purpose filleting, with the perfect amount of flexOversized backboneFits Cuda Knife Sheath #18840