5 Pack Blank Panel Metal Rack Mount Filler Panel Blank Rack Mount Flat, 1 U Sufficient Quantity: there are 5 pieces of 1U blank panels and 20 pieces of screws for mounting M6 type, which can meet your needs for installing rack panels, no need to install and buy different types of blank rack mounting panels Multiple Functions: these 1U blank rack mount panels can prevent internal equipment from dust and electromagnetic interference, keep dust and dirt away from the rack, and also beautify the equipment, organize cables and wires, making your rack cleaner and tidy Fine Workmanship: these 1U flat panels are made of metal materials, with exquisite workmanship, the surface has undergone degreasing and electrostatic spraying technology, not easy to rust, and the matte texture is easier to install and can be applied for a long time Easy to Install: each 1U server rack panel only needs 4 screws and nuts, only takes a few minutes to install, not easy to break or rust, can better keep your cabinet well for a long term Appropriate Sizes: the size of audio rack blank panel is standard, approx. 482.3 x 44.5 mm/ 19 x 1.8 inches (L x W), which can be adapted to the 19 inches rack, also can meet the needs of large sized cabinets' installation requirements, and also can be applied with different types of cabinet panels such as cable management racks