Cantilever Fixed Shelf Center Mount Vented for 2-post or 4-post Rack 19-inch Rack Mountable (Rack Mount) Shelves Fox Datacom GShelf-2 SH2C-2U-GSH2-V # GSHELF-2 Cantilever Solid (Non-Vented) Shelf > 19-inch 2U Center Mount (Rack Mount) > 19"W x 18"D x 3.5"H > 18 gauge steel > Supports up to 40 lbs > Powder coat black  > # 10-32 screws included > EIA compliant