It’s available keyed-different, keyed-alike or master-keyed. Each lock includes 2 keys. NANO PROTECT-coated hardened steel shackle provides superior corrosion resistance. Padlocks for Any Application: Discover the variety of our padlocks, from OSHA approved safety locks to heavy duty Granit padlocks and disc locks to brass, steel and aluminum models, to resettable combination, rekeyable and keyed alike locks.