Padlock, Shackle Dia. 5/16 in, Shackle Height 3 in, Shackle Width 3/4 in, Shackle Material Boron, Body Height 2 13/32 in, Body Width 1 3/4 in, Body Thickness 7/8 in, Body Material Steel, Number of Bumpers 0, Number of Pins 7 Pin, Key Type Alike, Control Key Registration Required Yes, Opens with Key No. 15546, Body Color Silver, Body Finish Chrome Plated, Keyway Type American AK5, Weather Yes, High Security Yes, Interchangeable Core No, Padlock Body Shape Rectangular, Rekeyable Yes