Efficient Working Supplies: These blank panels can protect the internal equipment from dust and electromagnetic interference, beautify the equipment, organize the cable, and keep your rack clean and tidy. Reliable Material: These mount panel spacers are made of metal material, with nice workmanship, the is phosphate, electrostatic spraying technology, not easy to rust, and black frosted can be used for a long time. Installation: Each cable organizer rack only needs 4 screws and nuts, is easy to install, and only a few minutes can be installed successfully. Application: The wire management can be used in areas to organize fiber optic cables, network cables, patch cables, power cables, and more. Colour:Black Material:iron Package Contents: 3 * blank panels 12 * Screws 12 * Screw caps 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.