Winchester Ammunition DRYLOK SUPER STEEL, MAGNUM, 10 Gauge 3.5, BB, 1 5/8oz, Steel Shot, 25 Round Box XSC10BB Flooded timber, swamps, marshes, duck blinds and john boats; duck hunters get wetit's all part of the hunt. Drylok Super Steel loads are trusted by the most hard-core duck hunters in the harshest of conditions. Their patented technology is designed to keep your shotgun shells dry, time after time, no matter where you are. When it matters, you need Drylok Super Steel.