Digitus | 1U Fixed Shelf for Racks | DN-19 TRAY-1-400-SW | Black | The shelves for fixed mounting can be installed easy on the two front 483 mm (19“) profile rails of your 483 mm (19“) network- or server cabinet. Due to their stable, perforated steel sheet with a high load capacity, they are the optimal surface for components which are not 483 mm (19”) suitable