Half Moon Lazy Susans-Bottom Shelf Pull-Out Plastic Two Shelf Sets, Including Hardware Designed for use in base blind corner cabinets. White polymer shelves feature textured surface. Half moon shelves measure 27 7/8 inch wide x 13 inch long. Shelves have an extra deep 1 1/2 inch rim height. Shelves pivot independently on zinc plated 1 inch diameter post.