Most modern doors are locked using a euro cylinder. The cylinder can be replaced by removing the securing screw, which is usually fitted through the faceplate on the side of the door.

But how do you measure the Euro Cylinder so you can purchase a replacement that is the correct size?

Essentially you want to measure from each end to the middle of the centre bolt hole, making a note of which is the external side for the external size and the internal side for the internal measurement:

How to measure a Euro Cylinder

We have created a short video tutorial to demonstrate how to:

Now you know what to look for we advise customers purchase Avocet ABS High Security Euro Cylinder, which can be done from our secure online store: Purchase ABS Anti Snap Lock Cylinders

This information video on the ABS Door Cylinder explains the benefits of upgrading this cylinder, which is why its our recommended upgrade for door locks:

If you have any problems or require advice then our team is always happy to help. Simply contact us for a prompt response during business hours.