The lock case and cable are made of special zinc alloy,At an ideal lenght of 4 inches from end to end and a closed lenght of 1.5 inches, our cable offers the flexibility, it can be used on a wide variety of items besides luggage or suitcases. These padlocks can be used on a backpack, baggage, gym locker, pelican case, gun case, briefcase, toolbox or laptop bag.