How exactly does a “master key” work on multiple different locks? If a lock is made and a key is made to fit specifically into it, how does a master key that's
Is it possible for multiple unrelated keys that can open the same locks to be in the world? Or are there so many combinations of key teeth that it's impossible? - Quora
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I want to have multiple locks with the same key, for my gates, shed, garage entry etc. My locksmith said this is doable, in fact all of the locks in a range
Premier Lock Heavy-Duty Satin Chrome Grade 2 Entry Door Handle Lock Set with 9 Keys Total (4-Pack Keyed Differently w/Master Key) LEL03-MA-4 - The Home Depot
07 - How Masterkeying Works - YouTube
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