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- In-line restricted key system

- Kaba restricted key system

These systems are protected by patents and design registration, providing you, the customer with a variety of options when securing your home, office or building.


  • High Security – a unique, patented keeping wannabe thieves at bay

  • Unmatched flexibility – offers options to suit all major commercial and residential lock types from mortice locks to leversets and deadlatches

  • Superior Quality –components are designed in Australia to the highest standards

  • Restricted System – The key is protected by Australian & New Zealand law. Only David Carr locksmiths can reproduce it & authorised users may only request copies.

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