Padlock, Shackle Dia. 3/8 in, Shackle Height 1 9/32 in, Shackle Width 1 23/32 in, Shackle Material Boron, Body Height 1 1/2 in, Body Width 2 7/8 in, Body Thickness 1 1/2 in, Body Material Zinc, Number of Bumpers 0, Number of Pins 6 Pin, Key Type Alike, Control Key Registration Required No, Opens with Key No. 41256, For Use With Mfr. No. 770, Body Color Silver, Body Dia. 2 7/8 in, Body Finish Chrome Plated, Keyway Type American K600A, Weather Resistant Yes, High Security Yes