Stainless steel lock body padlocks have a disc shape that helps prevent them from being forced open. They're corrosion resistant, so they can be used both indoors and outdoors. They're master keyed, meaning all the padlocks in the same set open with different keys, but they can also be opened with a master key. The included keys have random key numbers; master keys are sold separately.

Steel lock body padlocks secure access to goods and are commonly used in indoor applications as they are less corrosion resistant than covered, stainless steel, and chrome-plated brass lock body padlocks. These padlocks have a partially hidden shackle that protects against cutting and smashing. They're master keyed, meaning all the padlocks in the same set open with different keys, but they can also be opened with a master key. The included keys have random key numbers; master keys are sold separately.