Victorinox Cutlery 5-Inch Flexible Straight Boning Knife, Black Fibrox Handle The boning knife is ideal for separating meat, poultry, or fish from the bone with precise control High carbon stainless-steel blade provides maximum sharpness and edge retention; conical ground through length and depth for a wider break point; ice tempered to sustain sharpness longer Blade stamped from cold-rolled steel; bolsterless edge for use of entire blade and ease of sharpening Patented Fibrox handles are textured, slip resistant, and ergonomically designed for balance and comfort; NSF approved Hand washing recommended; lifetime warranty against manufacturer defects; expertly made in Switzerland