Check the listing for details. GRAINGER APPROVED 1XRU3 Keyed Padlock, 3/4 in,Rectangle,Silver 1XRU3. Condition: New. Listed at 19.99 USD. Padlock, Shackle Dia. 1/4 in, Shackle Height 2 in, Shackle Width 3/4 in, Shackle Material Steel, Body Height 1 11/32 in, Body Width 1 9/16 in, Body Thickness 7/8 in, Body Material Steel, Number of Bumpers 1, Number of Pins 4 Pin, Key Type Different, Control Key Registration Required No, For Use With Mfr. No. 1803DLHWWG, Body Color Silver, Body Dia. 1 9/16 in, Body Finish Laminated, Weather Resistant No, High Security No, Interchangeable Core No, Non Removable Key No Laminated steel lock body padlocks have laminated 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 locks as the steel rivets can be tampered with. These padlocks are commonly used in indoor applications as they are less corrosion resistant than.