Padlock Shackle Dia 5/16 in Shackle Height 2 in Shackle Width 1 in Shackle Material Boron Body Height 1 37/64 in Body Width 1 57/64 in Body Thickness 7/8 in Body Material Brass Number of Bumpers 0 Number of Pins 0 Pin Key Type Alike Control Key Registration Required Yes Opens with Key No SENTRY-KEY For Use With Lockout/Tagout Security Body Color Silver Body Finish Chrome Plated Keyway Type Sentry Weather Resistant Yes High Security Yes Interchangeable Core No