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 ClassicPro®, Interactive®+ or MT5®+ 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.
    • Construction Keying - provides access to multiple doors with a common key, then instantly switches to unique combinations when necessary, rendering the common key useless.
    • 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.