Maximize rack efficiency with this 1U 4-Post Rack Mount Shelf Rail Set—ideal for supporting audio, network, or IT equipment without direct mounting. These heavy-duty rails fit 19", 23", and 30" wide racks or cabinets and are perfect for both home and professional installations. The adjustable-depth design extends up to 33", allowing for a custom fit with a wide range of devices. With a weight capacity of up to 6.5 lbs, these rails provide reliable support for servers, switches, and AV gear. Installation is quick and secure thanks to the included eight sets of 10-32 screws. Keep your setup organized, clutter-free, and professionally managed with this space-saving rack mount solution.