How to measure a Door Cylinder
Cylinders are available in 5 main variants:
![](/Uploads/Image/Varieties5.jpg)
Always keep an eye out for the below features too. Heres a handy guide to what they all mean:
![](/Uploads/Image/Features%20Cylinder.jpg)
The diagrams below show how you should measure for a door cylinder. Our aim is to make it as easy for customers as possible but should you require extra information please give us a call direct on 0845 830 0832 and speak to one of our expert technicians.
![](/Uploads/Image/Choosing%20Size.jpg)
Double Cylinder Single Cylinder
![](/Uploads/Image/Euro%20Double%20Diagram%2011.jpg)
![](/Uploads/Image/Euro%20Single%20Diagram.jpg)
For Thumbturn cylinders please use the above measurement guide as it is. The thumbturn itself is not included in the measurements.
Please Note: For ABS Cylinders, TSS Cylinders, VERSA Cylinders and Carl F Cylinders the above is reversed as per the image below.
If you are having any difficulty working out the correct mesaurements for your cylinder please give us a call on 0845 830 0832.
Double Cylinder (ABS, TSS, VERSA and Carl F brands only)
![](/Uploads/Image/Euro%20Double%20Diagram%2022.jpg)
Once you have determined the length you need you are now ready to choose an anti-snap cylinder from our range. Here at Lock Shop Direct we only stock leading brands and if you need a double cylinder we recommend either Yale or ABS locks.