These fibre keystone couplers with their standardised dimensions can be used for easy snap-in mounting in a keystone patch panel, faceplate or surface-mount box. Consists of couplers for the six of the most popular fibre connectors (SC, ST and LC) in both black and white.
![24 port angled empty keystone panel FFK24mtmi](https://tuk.co.uk/wp-content/uploads/2021/06/FFK24mtmi-300x300.jpg)