Fiber Optic patch cord Using the most advanced adjustable core technology,End of scars, no dirt echo without loss Fiber Optic patch cord1.FeaturesCompliance with the Standard of ... , ST, MU, LC, MTRJ, MPO, E2000, etc.PC, UPC , APC PolishingSingle mode, Multi-mode VersionsRibbon Pigtail Cable,Bunchy Pigtail Cable,Waterproof Pigtail CableMultiple option of Optic ...