OS2 LC to SC Single Mode Duplex Fiber Jumper is manufactured with the highest quality corning optical fiber. It is terminated with durable, high quality, small 1.25mm form factor, ceramic ferrule LCU and 2.5mm ceramic ferrule SCU connectors (both with duplex clips). Yellow zip-cord fiber optic lead cable with 2.0mm outer diameter, outer weather proof black jacket, OFNR riser rated PVC jacket that's flame retardant, UV resistant and immune to electrical interference. 10 Meter length.