Rev-A-Shelf 28in Full Round Value Lazy Susan 2 shelf set White For base and upper corner cabinets with a 45 angled corner 28in Full Round Susan White Includes:(2)shelves, (1)26" to 31" telescoping post,(1)pr top & bottom pivots & screws Trays rotate independently and are height adjustable on post collars Tested to exceed BHMA Class-1 Specifications