Flexible Keying Options

You want the best security but you also want convenient solutions that meet your specific needs. Only high security providers like Mul-T-Lock can offer you the best of both worlds. Rigid protection against those who are unauthorized and ease and flexibility for you. Keyed different, keyed alike master keyed and unique keying solutions like 3in1 and FleX control keying give you the power to control who has access while keeping you secure.


When each key holder needs a different level of access authorization, Mul-T-Lock’s world leading, advanced and friendly master key systems, are easy to manage even when the requirements are vast and complex.

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This keying option simply means that each product in a system is operated by only its own individual keys.

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Mul-T-Lock's FleX Control keying option offers you the flexibility to temporarily authorize or unauthorized a mechanical key simply by turning one of two user keys in your lock.

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For outstanding customer convenience, Mul-T-Lock has developed the One-Key-Fits-All option, enabling you to open many locks with just one key.

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Mul-T-Lock 3in1 Keying allows you to easily change a lock combination all on your own in the event of a lost keys or any circumstance that requires you to immediately change a lock combination.

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