Dudley lock serial number database

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The next sticking point will be between 7 and 10. This is the first position of this lock, so take a number in the middle, let’s say 2.

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Say you find that the dial sticks between 1 and 4. Now you’ll be able to see the 10 positions behind the dial, and you’ll be able to find the 10 numbers the combination is picked from.

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Sticking zones (in green) and buffers (in blue) for this particular lock.