The Tricircle Iron Padlock is a heavy-duty keyed-alike padlock with a robust 50mm cast iron body, designed for securing gates, cabinets, and equipment on job sites and facilities. The 365KA keyed-alike system allows multiple padlocks to be opened with a single master key, streamlining access control for contractors and facility managers. Ideal for construction sites, electrical installations, and industrial applications where consistent key management is essential.