Tecmojo 1U Universal Rack Mount Rails 4-Post Shelf Rail 20.9"-32" AdjustableA universal 1U rack mount rail system designed to securely hold non-rack mountable server, networking, AV, or IT equipment. Made from cold-rolled steel with an electrostatic powder coat finish, this 4-post shelf rail supports up to 120 pounds while preventing rust and corrosion. The depth adjusts from 20.9 to 32 inches to accommodate racks of different sizes, and the vented design improves airflow for better heat dissipation and equipment protection. This half-bracket rail has no width limitation, fitting both 10-inch and 19-inch standard server racks.Itemweight4.85 poundsProductdimensions3.3 x 1.7 x 21.3 inchesMaterialAlloy SteelColorBlack