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What does "Total Position Progression" achieve in a master key system?

It uses the same bitting for all keys

It ensures that bittings differ from a master key across all positions

The concept of "Total Position Progression" in a master key system is fundamentally about ensuring that the bittings, or cuts, on the keys vary distinctly from the master key across all individual positions. This design enhances the security of the system, as it prevents unauthorized access through the use of keys that may resemble the master key in some respects. By ensuring that each key position in the lock has a unique bitting, the risk of duplication and manipulation by unauthorized individuals is significantly reduced.

In essence, this approach allows for greater control over the access levels granted by each key, ensuring that a master key, while capable of operating multiple locks, does not compromise the integrity and security of the individual keys within the system. This differentiation is critical in environments where multiple levels of access are necessary, such as in commercial or institutional settings.

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It simplifies the key cutting process

It applies only to pin tumbler locks

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