Rekeying a lock is the process of changing the tumblers of a lock cylinder with tumblers of different sizes. When you rekey a lock, a new key which coincides with the new tumblers, is needed to open the door. Do you think you can do this yourself? You may want to hire a locksmith or contractor to make sure you tackle the more complicated lock replacement projects. But did you know that a homeowner can rekey her own lock in about 15 to 30 second max? That’s not an exaggeration — it really is that easy.
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