Be delicately made Used in industrial environment: Black epoxy electrostatic paint technology is adopted, which has no holes, no exposed stuffing, no and no burrs, high wear and resistance, waterproof and rust-proof, meticulous workmanship and uniform background color. Dust plug design, Protect optical fiber from dust: It can feed two wires at a time, and can also be used as one-in-one-out application, with stable performance transmission. Standard 35mm guide rail installation mode: The standard unit size is suitable for 35mm guide rail installation. Used in cabinets, distribution boxes and other equipment. Thickened high quality cold roled steel: The technology is more pressure- and impact-, and the pressure resistance is strong and not easy to deform. Color:Black Material:Metal Package Contents: 1 * 4 Port Fiber Optic Terminal Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.