All of our knives are made to order.  Large fillet knife is a 7 1/2 inch blade, 12 1/2 overall length. Made of 1/8 inch thick Nitro V stainless that is heat treated, cryogenic treated and tempered. Nitro V stainless will hold an edge as well as a carbon steel knife. This knife also works very well in the kitchen. This knife is pictured with a green diamond wood handle but many other handle styles are available.