Good Connections® fiber optic couplers allow you to connect two fiber optic patch cords together easily and without tools. The couplings can either be attached via the flange with self-tapping screws (not included) or clipped in via snap-in mounting. Technical specification: https://elecena.pl/product/18479107/lw-k209-optical-fiber-coupler-sc-upc-sc-upc-duplex 2021-05-16 https://elecena.pl/product/18479107/lw-k209-optical-fiber-coupler-sc-upc-sc-upc-duplex 2023-01-23