When it came to changing the code when it came out it was very easy. I just followed the instructions that came with it. Setting up my code was very easy and I had no problem unlocking it. When it comes to using this on my locker at work, my work lockers have a standard hole that fits this lock easily. The latch is a bit long, but despite the length, it easily fits in my locker. Even though I have a lower locker, I can pick up this lock to enter my secret code. When it comes to moving watch faces, they are really easy to use and move around. When I close it, I press the lock bar and move the numbers. Once moved, this lock is fully locked. I haven't had any issues unlocking or locking this backup yet. I definitely see this working not only for lockers but also for bike chains or anything else that might need it. However, it works perfectly with my locker.
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