Shelf for X5 System, Greenguard Certified, Chrome Plated, Holds 800 lbs evenly distributed, Mounting clips included, Adjustable at one inch increments, Price shown here is per shelf, Must be ordered in multiples of 4, Carton size/weight listed here is for a carton containing 4 shelves, Dimensions: 18"" x 36"", SKU: OFM1172