A door cylinder is the heart of every door. It should be particularly burglar-proof to effectively protect house and flat doors from burglars.
For some doors, a simple door cylinder is sufficient. For example, when it comes to deterring opportunist thieves who might strike "in passing" from breaking in. This is the case for shed doors, garden gates, cellar doors and all other doors where a door cylinder protects the belongings and other objects from theft. Front doors or flat doors, however, should be equipped with a much higher quality door cylinder.
We will show you how to measure the length of your new cylinder correctly using our cylinder measuring gauge.
Our illustrated step-by-step manual shows you how to easily remove and replace the door cylinder yourself.