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Master key systems flawlessly balance control and convenience

Mul-T-Lock Master Key Systems (MKS) can be applied to any of our patented high security locking solutions and are designed to scale as your customer’s locking needs grow. Users can be given a single mastered key to unlock all or selected doors, dramatically reducing the number of keys in circulation and enabling more dynamic access control.


Master Keying Unlocked

Master key systems (MKS) are smart, scalable and super- effective keying solutions in which selected keys are configured to open a number of predefined entries, using different types of locking products and efficient planning. The MKS provide organizations with seamless access control while economizing on the number of keys in circulation.


Grow your business with our Master Key Systems

Mul-T-Lock’s MKS Design Tool and MASTER piece software enable you to enjoy an unmatched technological product, or to use the software and independently design, plan and develop your customer’s MKS like a pro.

We can train you, cooperate with you, and even design the entire solution.  


Understanding MKS: One-key locking solutions

Mul-T-Lock offers a wide range of master key solutions to address the varying needs of different business sectors and their unique environments.

Here’s what your customers gets when you apply our MKS to their locking systems: 

High security protection -

Keys are mastered to provide each user with access to authorized areas only, increasing access control, while reducing the number of keys in circulation.

Convenient access - ability to incorporate a wide range of product types into the system using a single key enables complex system-design capabilities and allows your locking system to scale with your business.

Combined electronic/mechanical systems - Our mechanical hardware can be enhanced with electronic locking  for an additional layer of security.

A system that grows with your business - Various planning options enable further system expansion and  scalability to any environment, as your business. The MKS is designed to address the security needs of dynamic  and growing environments.

Customizable system - The MKS can be applied to any Mul-T-Lock High Security solution and to a wide range of products, including many locks and cylinders.

Cost-efficient - Single-key access is more efficient, reducing initial costs, as well as future budgets to be spent on replacement keys.

MASTERpiece software – A strong planning tool to help you overcome complex locking challenges.

Quality: Mul-T-Lock adheres to the world’s most stringent high-security locking standards


Download the MKS brochure here.