Padlock, Shackle Dia. 5/16 in, Shackle Height 1 1/8 in, Shackle Width 1 3/16 in, Shackle Material Steel, Body Height 1 19/32 in, Body Width 1 31/32 in, Body Thickness 45/64 in, Body Material Brass, Number of Bumpers 0, Number of Pins 5 Pin, Key Type Different, Master, Control Key Registration Required No, Opens with Key No. 504, For Use With 85/50 Series Master Key, Body Color Brass, Weather Yes, High Security No, Interchangeable Core No, Padlock Body Shape Rectangular, Rekeyable No