Padlock, Shackle Dia. 3/8 in, Shackle Height 1 in, Shackle Width 15/16 in, Shackle Material Boron, Body Height 1 1/2 in, Body Width 2 in, Body Thickness 1 in, Body Material Steel, Number of Bumpers 2, Number of Pins 4 Pin, Key Type Alike, Control Key Registration Required No, Opens with Key No. A297, For Use With Lockout/Tagout, Security, Body Color Silver, Body Finish Laminated, Keyway Type Master K1, Weather Resistant No, High Security No, Interchangeable Core No Laminated steel lock body padlocks have bodies that are made up of plates of steel fastened with steel rivets and are used for securing goods. They're not as strong as solid body locks as the steel rivets can be tampered with. These padlocks are commonly used in indoor applications as they are less corrosion resistant than brass.