This Kershaw Duckbill Pocket Knife is a great addition to any collection. With a 3 1/2 long blade made of stainless steel, this knife is perfect for everyday use. The manual opening mechanism makes it easy to use with one hand, and the lightweight design makes it easy to carry around. This knife is an original, factory-manufactured piece, and it comes from the Kershaw brand. It has a single blade and is categorized as a collectible folding knife in the modern folding knives category. Whether you're a collector or just looking for a reliable pocket knife, this Kershaw Duckbill Pocket Knife is a great choice.