Padlock, Shackle Dia. 17/32 in, Shackle Height 1 in, Shackle Width 1 1/4 in, Shackle Material Hardened Steel, Body Height 2 5/64 in, Body Width 2 53/64 in, Body Thickness 1 3/16 in, Body Material Brass, Number of Bumpers 0, Number of Pins 0 Pin, Key Type Different, 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