The equip® Optical Fiber Pigtail is made of superior materials to ensure an end-face geometry connection with lower return loss and insertion loss. The Fiber Optic Patch Cord series comes with a comprehensive collection of lengths and connectors to fulfill your demand for the deployment.• Single Mode-Duplex• Connector: Ceramic Ferrule• Core diameter: 9/125μm• Low Smoke Zero Halogen (LSZH/LSOH)• 12PCS/Set