The master lock aluminium black vinyl cover padlocks are a tough and dependable security solution with a modern black vinyl finish to the body they are an appealing solution for day to day reliability each padlock has a solid body hardened steel shackle and dual locking levers a variety of multi pack options where all padlocks in the pack open with the same key keyed alike are also available padlocks are available with 3 pin and 4 pin cylinders and with a variety of shackle lengths for added sec