The 2x ADC 1054277 DX Duplex Fiber Optic Adapter Coupler in blue color is a high-quality networking accessory made in Japan. This adapter features a 1:1 connection split, with SC female connectors on both ends. The duplex feature allows for efficient data transmission, making it suitable for various computer networking needs. With a unit quantity of 2, this adapter is compatible with universal brands and provides reliable performance for fiber optic connections.