Kershaw Narrow Fillet Blade 1247XKershaw 7. 5 Inch Narrow Fillet Knife The All Purpose Fishing Blade The Kershaw 7. 5 inch Narrow Fillet Knife is the versatile choice every angler should keep in their kit. Considered the go to size for most fishing situations, this knife is perfect for filleting bass, smaller trout, and a variety of other catches. Compact yet capable, it can also manage larger fish when needed, making it the ideal all around fillet knife. Built from 420J2 stainless