RackSolutions Tool-less Rack Shelf is compatible with 19" server racks from manufacturers such as Dell, HP, and IBM. This rack shelf can only be installed in racks with square holes. Rack mount equipment weighing up to 95 lbs (43 kgs) can be installed using this rack shelf. The rack shelf is 28" (711 mm) deep and can be installed into server racks with installation depths up to 30" (762 mm). Use RackSolutions Tool-less Rack Shelf for simple and fast install to your rack. This product will save you time and move the installation process along quicker by eliminating the need for tools. Add on a RackSolutions signature Cable Management Arm to ensure your cords are routed and organized properly.