The Kershaw 1640 Vapor Folding Knife is a modern pocketknife designed by Ken Onion, featuring a 3" stainless steel blade with a drop point design. This manual knife also includes a bottle opener tool and is made with stainless steel handle material. With its original design and United States craftsmanship, the Kershaw 1640 Vapor knife is a collectible folding knife ideal for collectors and outdoor enthusiasts.