With ST to ST termination, this high quality fiber optic patch cable is specifically designed for ethernet, multimedia, or communication applications. The ST connector features a bayonet locking system.The patented injection molding process provides ea ch connection 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. A pull-proof jacket design surrounds the popular 62.5/125 multimo de fiber, immune to electrical interference.