If you are looking for the best polymer susan for your wall cabinet, you are in the right place. Revered as the best in the industry, the Rev-A-Shelf® Polymer full-circle wall susans with single, double and triple shelf options are available in 16", 18" and 20" diameters that come with a durable chrome post and hubs. The smooth polystyrene shelves can be purchased with dependent or independent hardware based on your preference to turn the shelves together or separately.