Armored Fiber Optic Cable: This OS2 fiber patch cable body is made of Ultra Low Friction flame retardant LSZH jacket (Coefficient of Friction < 0.2 ). It retains all the features of a standard patch cord, but is much stronger. Pressure resist and Wear resist. High Rated OS2 9/125m Fiber and Cladding, which is Insensitive to bending, Easy peeling, Easy welding, ensures small optical loss and stable transmission.