UNIVERSAL SERVER RACK RAILS: Installs in 4-post EIA/ECA-310 rack to mount any 19" device like server or UPS; Ideal replacement for lost rails on HPE ProLiant/Dell PowerEdge/Lenovo ThinkSystem/APC UPS HASSLE-FREE INSTALLATION: 1U network rack rail kit with a 24-36in adjustable depth and mounting hardware included, these rails are easy to install; Your device securely rests on the rails DURABLE: Constructed from cold rolled steel for strength and featuring a matte black finish for aesthetic, these rails support a generous weight capacity of 200 lbs., to easily mount any 19" device SPECS: Universal 19 inch EIA/ECA-310 complaint design | Adjustable depth: 24-36in. | Weight capacity: 200 lbs. (90 kg) | 8 x M6 cage nuts and screws included THE STARTECH.COM ADVANTAGE: StarTech.com offers a 2-year warranty and free lifetime 24/5 technical support on these rails and has been the choice of IT professionals and businesses for over 30 years