1、LOW LOSS: This fiber optic extension cable supports hot swapping, lower insertion loss, more insertion and removal times, and long service life. 2、NANO ZIRCONIA MATERIAL: The high accuracy insertion loss of nano zirconia material is lower, which enables the fiber optic cable to achieve high speed and stable data transmission without packet loss. 3、FINE CARVING PROCESSING: The optical fiber is processed by a 4 corner grinding machine to ensure that the optical fiber is ground in the round without offset and the surface of the fiber is free of defects. 4、5PCS SET: This kit includes five UPC/FC to UPC/FC halogen free fiber optic extension cords for your long term use. 5、LONG SERVICE LIFE: Adding functional additives makes the fiber optic wire body with anti aging, flame retardant and anticorrosive functions.