Rack Tech Cantilever Fixed Shelf End Mount Solid (Non-Vented) for 2-post or 4-post Rack 19-inch Rack Mountable (Rack Mount) Shelves APWMayville APW CS1912S Measurements & Weights: Rack Units: 2 Rack Width: 19" Height: 3.50" Depth: 12" Support: up to 50 lbs