Buying a new cylinder lock? Read our guide.

Cylinder locks play an important part in your home or office security. This straightforward guide will tell you all you need to know before you buy.

How to Replace

Replacing a cylinder lock couldn't be easier - all you need a is a screwdriver. Our 'how to video' below will take you through it.

With an Anti-Snap cylinder, make sure the sacrificial snap line is on the outside of your door. Read more about Anti-Snap cylinders here.

With a Thumbturn cylinder, make sure the thumbturn is on the inside of your door. Read more about Thumbturn cylinders here.

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