The ERK-RR27 is a pair of rack rails designed for use with EIA compliant 19in stand-alone or gangable equipment racks. The rack rails feature heavy-gauge 10-32 threaded mounting holes that allow for easy and secure installation of rack-mounted equipment. The ERK-RR27 is sold in pairs, making it easy to install the rails on both sides of the rack. The rails come with all the necessary mounting hardware included, ensuring a hassle-free installation process.