Includes 4 shelves, 4 posts and snap-together clips. Strong welded wire construction with a per shelf capacity of 800 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. Material(s): Steel Material Thickness: 10 ga. (shelf surface), 3 ga. (frame), 16 ga. (post), 6 ga. (wave pattern) Shelf Weight Capacity: 800 lbs. (evenly distributed) Overall Weight Capacity: 2500 lbs. (evenly distributed) Shelf Adjustablity: 1"" increments Shelf Quantity: 4 GREENGUARD approved* Assembly Required Dimensions: 48""w x 24""d x 72""h *