The Renewed Bamboo IGT Sliding Extension Long is made of sturdy and sleek bamboo in an updated finish. Use it to easily add 22 inches of extra space to your outdoor kitchen and dining space. The Renewed Bamboo IGT Sliding Extension Long does not require a hook. but slips into the ridges along the outside of the frame. Pair the Renewed Bamboo IGT Sliding Extension Long with the IGT 4 Unit Sitting Set.