Rack Tech Cantilever Fixed Shelf End Mount Solid (Non-Vented) for 2-post or 4-post Rack 19-inch Rack Mountable (Rack Mount) Shelves SMP Data Communications (Rack Technologies) PLP Preformed Line Products SH2E-1U-RT-9021 Comments: SMP/RACK TECH Cable Management: 19-inch shelves perfect for all telecom closet applications. Support Specifications: Cable Management: Steel Construction with Black Powder-Coat Finish. Measurements & Weights: Rack Units: 1 Rack Width: 19" Width: 18" Height: 1.75" Depth: 6.8" Shipping Weight: 2 lbs