Tecmojo 1U 4-Post Rack Rail 20.9"-32" Depth for Server/AV/IT EquipmentA universal 4-post rack mount rail system for installing equipment that doesn't have built-in rack mounting capabilities. This heavy-duty shelf rail is constructed from cold-rolled steel with an electrostatic powder coat finish to resist rust and corrosion. The adjustable depth range spans from 20.9 to 32 inches, making it compatible with racks of various depths including 10-inch and 19-inch standard server racks. The 4-port fixed design supports up to 220 pounds (100kg) of equipment weight. Vented shelves improve airflow and heat dissipation to protect your servers, networking gear, AV equipment, or IT devices during extended operation. Includes a complete set of mounting accessories with instructions for straightforward installation.Itemweight7.21 poundsProductdimensions2.4 x 1.7 x 20.9 inchesColorBlack