Preferred material It is composed of 1.5mm thick steel plate, and the bristles are made of high-density nylon brushes. The rack mount panel is much higher than similar products; exquisite workmanship, the surface has undergone deoiling, pickling, phosphating, and electrostatic spraying technology, which can be used for a long time; Easy to InstallEach rack-mounted cable management board only needs 4 screws and nuts, easy and fast to install. Comes with screws and nuts for installation so you don't have to buy additional parts.