Safco - Safco 48&quot; x 18&quot; Industrial Wire Shelving - Safco - Wire Storage - 5291BL - Includes 4 shelves 4 posts and snap-together clips. Strong welded wire construction with a per shelf capacity of 1000 lbs. (with weight evenly distributed). Open wire design permits air circulation and prevents dust accumulation. Shelves adjust in 1&quot; increments. Unit assembles in minutes without tools. Optional Add-On Unit and Extra Shelf Pack available to meet specific requirements. Available in Black or Metallic Gray powder coat finish.