Fibre SC coupler for keystone panel mounting, blue/white LogiLink’s Fiber Optic Coupler can be used to extend and connect fiber optic patch cable. Due to its standardized size, it fits perfectly into patch panels, face plats or surface boxes. The adapter is for single mode or multi mode fiber available. It is easy to install due to snap-in mounting. https://elecena.pl/product/17839419/nk0034-keystone-sc-simplex-female-gt-sc-simplex-female-singlemode 2021-04-23 https://elecena.pl/product/17839419/nk0034-keystone-sc-simplex-female-gt-sc-simplex-female-singlemode 2022-03-19