The 2 sets of locks and 4 keys are the same style and they can open each other.
Real brass material, not easily damaged. The lock is very strong, until you open it.
Waterproof: You can wear it all the time, (you can shower or dive).
Easy to clean: No need to open, Easy cleaning with body wash.
Description
Feature:
Real brass material, lock cylinder and key.
Can be used for a longer period of time without damage.
Waterproof: you can wear it all the time (shower or dive).
Newest stealth lock design, it is very strong, until you open it.
Unlike padlock, it is not sound of metal colliding with each other,
more to protect your privacy, more convenient.