Padlock, Shackle Dia. 5/16 in, Shackle Height 2 in, Shackle Width 7/8 in, Shackle Material Steel, Body Height 1 7/16 in, Body Width 1 59/64 in, Body Thickness 1 7/64 in, Body Material Recycled Steel, Number of Bumpers 1, Number of Pins 4 Pin, 5 Pin, Key Type Different, Master, Control Key Registration Required No, Opens with Key No. 195, For Use With 41 Series Master Key, Body Color Blue, Body Finish Laminated, Weather No, High Security Yes, Interchangeable Core No