What is a double clutch cylinder?

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It is a cylinder that lets you open from outside with your key even if another key has been left in on the inside.

With a standard cylinder, if someone leaves the key in on the inside, the key from outside will not go in or will not turn. It happens a lot in homes with children or elderly people, or when someone locks up at bedtime and leaves the key in. The result is that whoever arrives is stuck outside, or nobody can get in to help the person inside.

The double clutch, also called an emergency function, solves exactly that. It is a feature you can ask for on security cylinders, so you do not have to choose between one thing and the other.

If people in your house often leave the key in on the inside, it is one of the most useful upgrades. More in cylinder replacement.

The service that solves it

Lock cylinder replacement in Torrevieja

Made to measure lock cylinder replacement for lost or stolen keys, buying a home, a change of tenant or wear from the salt air.

Related terms

Other questions on this topic

What is a key registration card?

It is the card that comes with many security cylinders and has to be shown to order copies of the key. Without it, the key cannot be duplicated. Read the full answer

Why is it dangerous for the cylinder to stick out of the door?

Because anything that sticks out can be gripped, snapped or pulled out. With a cylinder of the right size and a security escutcheon that weak point disappears. Read the full answer

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Lock cylinders

Everything people usually ask about the lock cylinder: when to change it, how to measure it, what protection it has and how to look after it on the coast.

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