You Will Get: there are 2 pieces of adjustable rack mount shelves, coming with at least 16 screws for installing M6 type and 16 screws for telescopic mounting, installation tools are included, convenient to mount | Universal Fit: the server rack shelf is designed for 19 inch server rack, with a fixed surface depth of 27.5 inch, and an adjustable mounting depth range of 27.5-38 inch, fitting for data, network, or other small equipment | Exquisite Workmanship: the network rack shelf is made of quality metal material, and the surface is subject to oil removal, acid pickling, phosphating and electrostatic spraying technology, not easy to get rust, strong and sturdy, and frosted pattern makes it easier to mount, serving you for a long time | Heavy Duty: made of SPCC commercial cold rolled steel, the adjustable rack shelf can ensure the long term durability, and support 175 lbs /80 kg total weight load, can be applied as a nice addition to your rack | Maximize Ventilation: the server shelf is designed with many vented holes, which can make sure the consistent airflow to effectively dissipate heat from the server, keeping your equipment stay cool