Mul-T-Lock Solutions

Mul-T-Lock's extremely wide range of key in knob cylinder options allow you to easily upgrade the security of existing knobs and levers by simply switching out the cylinder – no hardware modifications or reinstallations required.

Mul-T-Lock’s popular C-Series heavy duty, patented High Security padlocks offer a robust design, superior locking and plenty of options. Also equipped with a protective shutter to prevent dust contamination and drainage holes to prevent freezing, the C-series Line is available in many models with varying body sizes and shackle diameters and clearances. This versatile line is sure to meet your padlock needs.

Knowing who is at your door before you open up is a simple yet very effective way to stay safe and secure. Solutions like Mul-T-Lock's GotU Digital Door Viewer which let's you view and record who's at your door give you better control and protection.

Keys, tags, cards – with today’s complex High Security systems, you may need an entire collection of opening devices just to walk through one building. Instead of a whole collection keys, now you can use just one SynerKey!

Mul-T-Lock MT5®+ Patented Keys combined with the MT5+®High Security cylinder platform provide you with patented protection by enabling excellent key control. Key duplication requires presentation of a specialized magnetic strip key order card to an authorized dealer with a uniquely serialized key cutting machine.

The Interactive®+ system combines an enhanced variation of the long-famous Interactive® telescopic pin tumbler mechanism with a spring-loaded, unique pin in the cylinder plug to produce a ‘virtual combination’ that may only be achieved when the Interactive®+ Patented Keys is inserted in the lock.

The Interactive® system was the basis for the more current Interactive®+ platform. Patented only until 2014, we encourage customers with existing Interactive systems to upgrade to Interactive®+ to ensure continued patent protection.

Mul-T-Lock Integrator® Patented key, standard security platform is a budget friendly solution which provides enhanced key control by utilizing patented keys and requiring presentation of a key order card for key duplication but does not offer physical high security.

A scalable solution, Mul-T-Lock's SMARTair access control platform operates via user-friendly, secure online software and easy-to-use programming tools. Whether you require software for 2 doors or 2000

Mul-T-Lock's SMARTair® access control platform offers a variety of readers and controllers to operate existing electric strikes and magnetic locks.