Master Lock Magnum 2" W. Dual-Armor Keyed Alike Padlock features a robust 2-inch wide laminated steel body designed for exceptional durability. It is equipped with a tough-cut octagonal boron-carbide shackle that superior resistance against cutting and prying. The padlock includes dual ball bearing locking for maximum pry resistance, ensuring your belongings stay secure. Its dual-armor protection combines a laminated steel core for strength with stainless steel and zinc outer components to provide excellent weather resistance. The 4-pin cylinder enhances security by increasing pick resistance, while the reinforced body bumper helps prevent scratches. The shackle measures 2 inches long, 61/64 inches wide, and has a 3/8-inch diameter boron shackle. This padlock is keyed alike only within a full case of six, with each case having different keying for added security. Model Number: M5XKADLH