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" 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.