If your kitchen cabinet is spinning out of control, the Rev-a-Shelf 3072-20-11-52 20'' Full-Circle 2-Shelf Lazy Susan is here to save the day.Rev-a-Shelf's polymer lazy susans are revered as the best on the market. Whether you are replacing an old unit or just adding a lazy susan to your upper or corner wall cabinets, you will not be disappointed with the high-quality design and the durable rotating hardware that makes installation simple. This 2-shelf system is made of injection molded polymer and sturdy rib construction for unmatched strength and durability.