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 double and triple shelf options are available in 18" and 20" diameters that come with a durable chrome post and adjustable hubs. The polystyrene shelves turn at the same time giving you complete access with just one spin.