Padlock, Shackle Dia. 3/8 in, Shackle Height 5/8 in, Shackle Width 3/4 in, Shackle Material Steel, Body Width 2 3/4 in, Body Thickness 7/8 in, Body Material Stainless Steel, Number of Bumpers 0, Number of Pins 4 Pin, Key Type Alike, Control Key Registration Required No, Opens with Key No. 501, Body Color Silver, Body Dia. 2 3/4 in, Keyway Type Master K1, Weather Yes, High Security No, Interchangeable Core No, Padlock Body Shape Disc, Rekeyable No, Shackle Type Partially Hidden Shackle