Features: This fiber opticals adapter provides female to female port option to accommodate various fiber opticals patches cords, ensuring low insertion loss and reflection loss for superior signals transmission quality in networking setups. with square flange for easy and quick installation, for standard racks or panels, and constructed from ABS materials offering excellent oxidation and moisture resistance for long performances. for IT professional, networking engineers, and technicians working in data centers or communication fields who need efficient connectivity solution for fiber opticals systems. Perfect for applications in data centers, fiber to the home (FTTH) installations, video surveillances systems, and communication networking where stable opticals signals transfer is critical. Enhances your fiber opticals infrastructure with this high precisions adapter, delivering consistent stability and compatibility across diverse environments for seamless integration. Specifications: Materials: ABS Size: 5.5x2cm, 4x2cm(optional） Package Includes: 5Pcs Fiber opticals Female to Female Adapter note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.