Difficulties with wearing a device? discussion

I purchased a device featuring one of those widely used built-in locks. [[Image: HoD-SSC75_1280x1280.jpg]](the referenced community page) The device itself (check the link below if you’re interested) is perfectly adequate, but the lock feels cheap and I can see it failing to rotate or having its key break off inside. Where might I find a replacement? Do most devices use these standard-sized locks in general? If you aren’t sure where to look for replacements, could you perhaps provide the technical name so I can search online myself. Appreciate the assistance. Current cage: