Choose from more than 175 lock types from over 50 different manufacturers, or add your own information.
MasterKing® uses the lock manufacturer's specifications for master keying. You can accept the defaults for the fastest and largest system, or you can make adjustments to fit your requirements.
Modify every aspect of your master key system, including chamber progression and bitting array. Create simple 1-level single keyed-different systems up to complex multi-level page systems.
See up to 5 levels of bittings in the familiar, easy-to-navigate List Format.
The Page Format provides greater flexibility and allows creation of complex master key systems.
Use the Quick Format to create small systems faster than ever!