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.
![TUK's 1, 2, 4,6 and 8 port Keystone Housings](https://tuk.co.uk/wp-content/uploads/2021/10/Keystone-Housing-Range-1-300x300.png)