Whitmor Supreme 5 Tier Adjustable Shelving - 500 Pound Weight Capacity Per Shelf - Leveling Feet Easy, no tools required assembly provides storage for kitchens, attics, basements & garages Durable steel construction with leveling feet & grid wire shelves that adjust in 1" increments. Whitmor supreme shelf holds up to 500 pounds per shelf (evenly distributed) Whitmor's Supreme 5-Tier Storage Shelves are NSF approved for industrial or residential use Whitmor's Supreme 5-Tier Black Storage Shelves have a 10 year limited warranty Dimensions: 18" x 48" x 74" Service & Guarantee: Whitmor stands by our products. If you have any problems, contact us for help