The Belden FT3LC900FS01 Fx Fusion OM3-4 LC Simplex Tight Buffer 900 Um is a new box of 6 aqua-colored fiber optic connectors designed for fusion splicing. Made by Belden, these units are compatible with OM3-4 900um fiber and feature a tight buffer for secure connection. The connectors have a simplex design and are suitable for networking applications. Manufactured in Taiwan, these fiber optic cables provide reliable and efficient data transmission for various devices in the networking and computer industry.