John Wayne Series Every quality knife needs a quality Belt Sheath to go with it. Made by W.R. Case & Sons Cutlery Co.  this Button-snap Belt Sheath was developed with the true knife enthusiast in mind. It is 5  L X 2  W X 1 1/2  H and made of well-crafted Brown Leather. This is CASE XX Belt Sheath fits 3.5 to 4 inch folded knives.