This lot of four vintage Master Lock No. 5 heavy commercial padlocks is a great find for anyone in need of high-quality security equipment. These padlocks feature a traditional shackle type and are made of durable steel for reliable protection. The body color is a sleek silver, and the 4-pin model ensures optimal security. The shackle diameter is 3/8 in, and the shackle material is also hardened steel. The key type is alike, making it easy to operate all four locks with just one key. Other features include a master key and a country/region of manufacture in the United States. These padlocks are perfect for use in a variety of settings, including businesses, facilities, and homes. Add them to your collection today and enjoy peace of mind knowing your valuables are secure.