They require a lock on your locker but u don't have to buy one from them. I've never had any issues at armored, they even put a temp lock on for me, when I forgot to put mine back on, and called to let me know my storage was left unlocked. Very attentive management
No u can get ur own plain lock or if u get the insurance on ur storage, which only an extra $9, it comes with a very sturdy round lock
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