Rapala Hawk 6in Fillet Knife with 36 Pieces Display Box SS Steel. Six-inch stainless steel blade is flexible enough for the most delicate filleting projects yet stout enough for steaking. Specifications for Rapala Hawk 6in Fillet Knife w/36 Pieces Display Box: Manufacturer: Rapala Blade Length: 6 in Knife Application: Fillet Knife Fabric/Material: Stainless Steel Package Contents: Rapala Hawk 6in Fillet Knife w/36 Pieces Display Box Rapala 126BX: Hawk 6in Fillet Knife with 36 Pieces Display Box SS Steel