This lot of 2 vintage Master Lock No. 3 heavy commercial padlocks are sure to provide reliable security for your belongings. They have traditional shackles made of durable steel, and a 4-pin cylinder mechanism for added protection. The key type is alike, meaning both padlocks can be opened with the same key for convenience.The body of the padlocks is made of sturdy steel with a silver color, and the shackle diameter is 5/16 in. They also come with the added feature of a master key, providing even more options for access. These padlocks were manufactured in the United States, ensuring quality craftsmanship.