An easy-to-install tool-less vented 19 inch shelf. Mounts onto rack angles that have EIA-spaced square holes (0.375 inch). Shelf slides open and provides a variable-sized, continuous surface for equipment. Back of shelf has oval cutouts for power and data cables. Accessory hole patterns at back of shelf fit small and large D-rings to help manage cable. Made of steel with a 150 lb (68 kg) static load rating. Available with RAL 9005 black or RAL 7035 grey polyester powder coat finish.