Guaishou Mix Color Style Mini Heart Luggage Locks Padlocks Archaize Lock with Keys Pack of 7pcs

why does the same key open every single lock?!

Does anyone know the width of the shackle (the round part)? I am trying to see if it would fot through a 3 mm opening.

Hi! I was wondering if these were titianium? I'm specifically looking for a small heart lock that's titanium and can withstand getting wet in a shower

I need 120 for a networking event. Can I get different keys fir each purchase so only 1 key will open 1 lock out of the 120?