The Corning OSNP-STU-900 is a field-installable connector designed for optical network cables. Specifically tailored for single-mode fiber, this connector features a ST connector and a UPC 900um design. With the trusted brand of Corning behind it, this product ensures reliable and secure connections for optical networking systems. Its easy installation and compatibility with ST connections make it a valuable component for professional networking setups.Box of 25 connectors.