The OM4 Fiber Patch Cables by Vandesail are 16ft long LC to LC duplex cables designed for optical network communication. These multimode cables are made with 50/125 fiber and feature a low smoke zero halogen (LSZH) jacket for enhanced safety in the event of a fire. The cables come in a quantity of 5 and are in a magenta color for easy identification in networking setups. Made in China, these optical network cables are reliable and high-quality for efficient data transmission.