The MV-RR44 is a pair of heavy-gauge 10-32 threaded rack rails designed to provide reliable and sturdy equipment mounting in 19-inch racks. The rack rails are constructed with high-quality materials, ensuring durability and strength. The MV-RR44 is sold in pairs, and it comes with all the necessary mounting hardware, making it easy to purchase and install. With its threaded design, the MV-RR44 makes it easy to mount equipment in a secure and stable manner, ensuring that your equipment is held securely in place.