Rack Tech Cantilever Fixed Shelf End Mount Vented for 2-post or 4-post Rack 19-inch Rack Mountable (Rack Mount) Shelves APWMayville APW CS1919V SH2E-2U-APW-CS1919V Measurements & Weights: Rack Units: 2 Rack Width: 19" Height: 3.50" Depth: 19" Support: up to 50 lbs