The Leviton 49991-LLC FASTCAM Pre Polished Fiber Optic Connector is a high-quality optical fiber connector designed for multi-mode fiber types. Specifically, it features a LC connector, making it compatible with LC ports for easy and secure connections. This box of 50 units ensures that you have plenty of connectors on hand for your networking needs. With the trusted Leviton brand name, you can rely on these connectors to provide reliable and efficient transmission of data through optical fibers.