Features independent shelf rotation. Exclusive cantilevered ribbing allows maximum support and deflection. Shelves can be relocated on post by loosening locking screws. Provides 15/16" clearance between the cabinet floor and the bottom shelf. Acetyl polymer bushings provide self lubricating bearing areas and quiet operation. Gravity centering positioned assembly provides centering from either side of the original position. Fits cabinets from 26" to 32" high. Includes two shelves, telescoping center shaft, mounting hardware and screws. For details on sizes take a look at our specifications page. Molded polymer construction. Sold per set.