Upto 48F enhance low water peak single mode fibers in full compliance with ITU-T-G.652.D (also available with G655 / G656 / G657 SM Fibre and OM1 / OM2 / OM3 & OM4 MM Fibre) Loose buffer tubes fully filled High tensile, galvanised, stranded steel wire used as integrated messenger wire UV Stablized PE outer sheath, black