Our bulk fiber optic patch cord Corning G657A1 MM OM3 Aqua with high rated 50/125um Fiber and Cladding, which is Insensitive to bending, easy peeling, easy welding, ensures small optical loss and stable transmission (insertion loss??0.3dB, return loss ??30dB.), Ideal for SAN network cabinets that require 20 or more bends in the cabinet or high-density installations with cables crammed into an extremely small footprint.