Padlock, Shackle Dia. 3/16 in, Shackle Height 9/16 in, Shackle Width 1/2 in, Shackle Material Steel, Body Height 1 1/16 in, Body Width 1 1/8 in, Body Thickness 1/2 in, Body Material Steel, Number of Bumpers 1, Number of Pins 4 Pin, Key Type Alike, Control Key Registration Required No, Opens with Key No. P831, For Use With Lockout/Tagout, Security, Body Color Silver, Body Finish Laminated, Keyway Type Master K7, Weather No, High Security No, Interchangeable Core No