This is a perfect solution for small or home offices. When there's no room for a full size rack, flush mount your equipment vertically to the wall or horizontally under a desk. With 200 lb load capacity, these server wall racks work with all 19" rackmount equipment. Cage nuts, screws and sheet rock anchors are included. May be installed in pairs for horizontal installations. Works with most OEM slide rails: Dell, HP, IBM, Apple, Sun, Intel, Cisco, Juniper and 3Com.