The Yunsufiberpro 165ft / 50m Armored OD-5mm OS2 LC to ST Single Mode Fiber Cable is a high-quality optical cable designed for networking and computer connections. The cable is black in color and made of PVC material, ensuring durability and protection. With a length of 165ft (50m), this cable is ideal for various networking applications. The LC to ST style connector provides efficient data transmission, making it a reliable choice for professionals in the technology industry. The armored design adds an extra layer of protection, enhancing the overall performance of the cable.