The freestanding island display rack 3 extension kit is designed to expand the capacity of any black Illinois 180 bottle floor wine bottle rack base unit and does not require mounting to your walls. These stylish metal units can easily be placed in the middle of a retail store or your favorite room in the house. Due to the unique architecture of this wine rack, the labels are easily visible on each bottle, the air circulation is improved around each bottle, and it creates the proper storage position for your wine to maintain contact with the cork. This item is an accessory piece and requires the Rebrilliant freestanding island display rack3.