... A with PVC Sheath and black color optical cable,fiber optic cable1.6mm outside cable diameter,MM(62.5/12.5um)grade ... code:black,blue,green,grey,orange,redapplication:1.the simplex tight buffer cable can be directly assembled with connectors as pistail or patch ... -cord2.multiple simplex tight buffer fibers can be bundled as the fan- out or breakout cable for indoor wiring