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Classic

Mul-T-Lock's Classic High Security mechanical platform is designed with protective features making it resistant to intrusion attempts. Each Classic cylinder contains a special telescopic pin locking mechanism with internal and external pins.
When enhanced High Security is necessary with features such as patented key control, we recommend choosing the MTL™400, MTL™600 or MTL™800 platforms for your security needs.

Classic Solution Benefits

  • Enhanced Anti-Pick and Drill Resistance - via steel inserts and a three-dimensional shear line.
  • A coded key card provides convenient key duplicating through authorized Mul-T-Lock dealers.
  • Choice of Format - cylinders, padlocks, locks and more - one key will fit them all.

Classic Solution Features

  • Comprehensive Keying and Cylinder Options  - to address a variety of needs:
    • 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.
    • Break Secure - deters intrusion attempts via a visible, enhanced snap-resistant cylinder. 
  • Special Concave Plug Design - rotation will only happen with exact alignment providing extra protection.
Click here for California Proposition 65
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  • The Mul-T-Lock name, the muscleman logo, in the field of locking products, the MTL name, and any other name, mark, or logo used by Mul-T-Lock and marked by a ™ or ® sign, are registered / pending or otherwise owned trademarks of Mul-T-Lock Ltd. and/or its affiliates 2022
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  • Cornwall Gardens Get A CLIQ® Upgrade
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  • SMARTair® secures the Commodore Hotel
  • Ein Gev Resorts Modernizes with SMARTair®
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  • SMARTair® Gives Kenyan Hotel 24/7 Access Control
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  • Mul-T-Lock Secures Guests and More at Four Seasons Tianjin
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  • Global Relay uses comprehensive Mul-T-Lock solution to maintain security compliance
  • Elektra Split Secures Control of its Facilities with MKS
  • In Berlin, the show goes on thanks to CLIQ®
  • Sweden’s irreplaceable maritime heritage entrusted to CLIQ®
  • Government Offices in Pretoria, SA use SMARTair® to Curb Theft
  • CLIQ® Helps Keep California Utility Compliant
  • The Pongolapoort Dam Streamlines Security and Key Management with CLIQ®
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  • SMARTair® brings virtual keys on a smartphone to Arkansas State campus
  • Czech School, Lycée Français de Prague, Boosts Security with CLIQ® Access Control System
  • Flexibility: the main reason Madrid’s Funway Academic Resort switched to SMARTair® access control
  • Mul-T-Lock® Helps Bushey Meade Master Their Key Management
  • Mezzino Uses SMARTair® for Intelligent Access Control
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  • Blair House Residence Smartly Addresses Access Control and Security with SMARTair®
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