GYTS Aerial Single Mode Outdoor Duct Cable 1,Steel strength member 2,SM G652D fiber cable 3,Steel tape 4,Factory price GYTS Fiber optic cable 2~144 fibers central strength member (steel), jelly filled, fiber contained loose tube and PP filler (if necessary) stranded, water blocking jelly, longitudinally covered by copolymer steel tape, PE outer sheath. G652D SM fiber, detailed specification on ...