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Patented Key Platforms



Mul-T-Lock’s MT5+ platform is designed for maximum protection, flexibility and convenience - with the needs of customers in any industry in mind. The patented platform combines protective elements to create triple locking mechanism, superior key control and extensive master-keying capabilities, while using our patented keys. Meets the highest international standards to offer enhanced resistance to picking, drilling, bumping and other forms of lock manipulation.


Mul-T-Lock's multi-patented MT5 mechanical platform integrates advanced technology for premium security together with heighten key control. As leaders in High Security locking solutions, Mul-T-Lock's MT5 platform is designed for maximum protection, flexibility and convenience to address the needs of customers in any industry. MT5 and MT5+ combine protective elements to create either a double or triple locking mechanism to provide the highest levels of locking security: Mul-T-Lock's innovative well-honed telescopic pin technology make it highly effective and reliable. The patented Alpha Spring, a special mobile element located at the tip of the key, engages an additional level of security for enhanced protection. The plus in MT5+ is a powerful side bar locking mechanism, which interacts with unique horizontal finger pins for extra protection. MT5 & MT5+ Solution Benefits Multi-layered Security - with the integration of an advanced locking mechanism. Advanced Key Control - through unique coded Mul-T-Lock key card, only readable by authorized Mul-T-Lock dealers with KC5 machines. Master Keying Options  - supporting complex operational and organizational needs. Scalable and Customizable - the MT5 platform can support any-sized environment with a variety of formats and customized features to meet all operational needs. Choice of Format - cylinders, padlocks, locks, electronic door solutions and more - one key fits them all. MT5 & MT5+ Solution Features Comprehensive Key and Cylinder Control  - to address a variety of needs: Master Key Systems - assign various levels of access to a user's key. Keyed Different - access each door with a different key. Keyed Alike - access multiple doors with a single key. 3-in-1 Keying - instantly change a lock's combination up to 2 times by simply turning a key. Modular Cylinder - gives you the flexibility to quickly and easily configure cylinder lengths according to customer needs. Flexible and CLIQ Compatible - add convenient access control by integrating the electromechanical CLIQ® platform  to your MT5 and MT5+ system.



Using advanced technology, Interactive+ combines an enhanced variation of the telescopic pin mechanism with a special patented floating element to meet the highest security standards and provide enhanced key control capabilities for your business. This reliable, double-locking mechanism offers enhanced resistance to picking, drilling, bumping and other forms of lock manipulation. Available in all formats and product types, Interactive+ keys can be used with CLIQ® electromechanical technology. A single Interactive+ key can fit into all products for real convenience.


Mul-T-Lock's Interactive+ mechanical platform addresses High Security concerns while responding to functional needs. Building on four decades of extensive experience and the Interactive® key platform's proven technology and global success, Interactive+ utilizes patent technology for enhanced High Security. Available in all formats and product types, Interactive+ key platform provides advanced High Security and protection with a single key that can fit into all products for real convenience. Using advanced technology, Interactive+ combines an enhanced variation of the telescopic pin mechanism with a special patented floating element to meet the highest security standards.

Interactive+ Solution Benefits

  • Advanced Key Control - through unique coded Mul-T-Lock key card, only readable by authorized Mul-T-Lock dealers.

  • Master Keying Options  - supporting complex operational and organizational needs.

  • Choice of Format - cylinders, padlocks, locks, electronic door solutions and more - one key fits them all.

  • Increased Security Effectiveness - via patented High Security technology: keys and telescopic pins.

Advanced Key Control - through unique coded Mul-T-Lock key card, only readable by authorized Mul-T-Lock dealers.

Interactive+ Solution Features

  • Comprehensive Key and Cylinder Control  - to address a variety of needs:

    • Master Key Systems - assign various levels of access to a user's key.

    • Keyed Different - access each door with a different key.

    • Keyed Alike - access multiple doors with a single key.

    • 3-in-1 Keying - instantly change a lock's combination up to 2 times by simply turning a key.

    • Construction Keying - provides access to multiple doors with a common key, then instantly switches to unique combinations when necessary, rendering the common key useless.

    • FleX Control  - Mechanically control access by using special keys.

    • Modular Cylinder - gives you the flexibility to quickly and easily configure cylinder lengths according to customer needs.


  • Flexible and CLIQ Compatible - add convenient access control by integrating the electromechanical CLIQ® platform  to your Interactive system.


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