Let's summarize some of the benefits of using GAILFIELD 10U Rack Rails. Quick and Easy Installation: Installation process typically requires basic tools such as a screwdriver, with clear instructions provided for seamless setup and configuration. Made To Last: Made from 1/8" cold rolled steel, providing robust support for servers while withstanding the rigors of daily use and maintenance. Safe and Secure: Evenly spaced mounting holes for precise alignment and stability, capable of supporting heavy server loads without sagging or bending. Universal Dimensions: Ensures precise vertical alignment and easy integration into standard server racks. Hardware Kit: One pair of racks plus a packet of 50 screws. What's in the box:   One Pair of 10U Rack Rails measuring 17.7"x2.01"x1.26".   One packet of 50 screws 10/32 x 3/4".   Installations details: By providing a standardized platform for mounting servers, these rails enable efficient space utilization and easy access to equipment for maintenance and upgrades. With precise measurements marked on them, they ensure accurate alignment and compatibility with various server sizes and rack configurations.