The Zipper, like its name suggests, is a gut hook knife that works just like a zipper. The combination of edge angle and hook length performs beautifully Features a fixed 4-1/8" drop point 420HC Stainless Steel gutting & skinning blade. Comes with texturized and rubberized handles with a brass butt and finger guards. Buck's designers consulted with outfitters and hunters to get the sharpened edge angles just right. Field tested and designed for the outdoorsman. Comes with a heavy duty Nylon sheath.