Cylinder applications that respond to your needs

Mul-T-Lock’s innovative cylinder applications enable high-security locking solutions to meet every customer’s locking needs. From access control to re-keying, Mul-T-Lock ensures your cylinders are securely protected.

Master keying capabilities

All Mul-T-Lock patented platforms come with master keying capabilities that enable you to secure your facilities with an up-to-date, high-security solution. Available in all formats and product types, these mechanical platforms can also be combined with CLIQ® electromechanical technology to grant your business a full access control system.

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Construction Master Cylinder

Provides access to multiple doors with a common key, then instantly switches to unique combinations when necessary, rendering the common key useless once construction is completed.

3-IN-1 Cylinder

Instantly change a lock's combination up to 2 times by simply turning a key.


Operated with keys inserted and rotated on opposite sides, enabling both sides to be permanently operational.