With this MTRJ coupling by Delock, two MTRJ male connectors can be easily connected to each other. The coupling enables a direct connection with the MTRJ optical fiber cables and is suitable for simple mounting in optical fiber connection boxes, cabinets, HD cassettes and patch panels. Protection by dust cover The coupling is equipped with an appropriate cap to protect the sleeve from dust and to keep it clean. Specification https://elecena.pl/product/20958925/87933-fo-coupling-mtrj-mtrj-black 2022-06-05 https://elecena.pl/product/20958925/87933-fo-coupling-mtrj-mtrj-black 2022-12-10