The 6942 Series is a two shelf set available in 24'' or 28'' diameters featuring 1'' heavy wall tubing and engineered die cast and polymer components for total adjustability and easy installation. In addition, this Pie-Cut Lazy Susan features hardened screws for non-slip protection and lubrication on polymer components. Rev-a-Shelf's Pie Cut-Trays and hardware series products are the strongest, most adjustable in the industry. All corner base products are tested to BHMA class 1 specifications of 25'' square foot. Shelves are available in white or almond.