Check the listing for details. AMERICAN LOCK A31 Keyed Padlock, 3/4 in,Rectangle,Gray 38W788. Condition: New. Listed at 23.74 USD. Padlock, Shackle Dia. 1/4 in, Shackle Height 1 1/2 in, Shackle Width 3/4 in, Shackle Material Hardened Steel, Body Height 2 13/32 in, Body Width 1 1/2 in, Body Thickness 3/4 in, Body Material Aluminum, Number of Bumpers 0, Number of Pins 5 Pin, Key Type Different, Control Key Registration Required No, Body Color Silver, Body Finish Chrome Plated, Keyway Type American AK5, Weather Resistant Yes, High Security Yes, Interchangeable Core No, Padlock Body Shape Rectangular, Rekeyable No These aluminum lock body padlocks have chrome plating that provides additional protection from harsh weather and corrosive environments, so they can be used both indoors and outdoors. They have solid bodies, which are more secure than laminated bodies because they don't have exposed rivets than can be tampered w.