Genuine Quantum modular wire systems offer a unique combination of shelf and post sizes in a variety of finishes to compliment any application. The split sleeve and grooved numbered posts allow for easy and quick assembly. The all welded shelf construction is supported with architectural wire trusses to provide between 600 lbs and 800 lbs capacity per shelf. Heavy-duty shelving unit allows up to 800 lbs shelf capacity. Starter kits come complete with 4 posts and 4 shelves. All welded construction with additional wire trussing for high strength characteristics. Wire allows air to circulate and light to penetrate for increased product visibility. Minimal dirt accumulation. Measures 21" width by 24" length by 74" height. Chrome finish. NSF approved. 1 Year warranty agianst defects.