ST/ST duplex 9/125 single mode fiber patch cable provides high bandwidth and transmission rates over longer distances. With ST to ST termination, this high-quality fiber optic patch cable is specifically designed for gigabit Ethernet applications. Patented injection molding process provides each connection with greater durability in resisting pulls, strains and impacts from cabling installs. Each cable is 100% optically inspected and tested for insertion loss before you receive it. Pull-proof jacket design surrounds the popular 9/125 single mode fiber, immune to electrical interference.