The Middle Atlantic RRF12 rack rail is a robust, all-steel solution designed for secure and reliable equipment mounting. Threaded for 10-32 screws, this rack rail ensures compatibility with a wide range of components. Built to EIA standard spacing, it is ideal for 19-1/8-inch wide rough openings. Crafted from 1/8-inch thick steel, the RRF12 offers exceptional durability and strength. Its black e-coat finish provides a professional appearance and long-lasting protection against wear and corrosion. Sold in pairs, these rack rails are a reliable choice for custom rack installations or upgrades.