Rev A Shelf Rsld.2942.28.11.1 28 In. Rev-A-Shelf Lazy Daisy Pie Cut Susan Set - White For 90degrees corner cabinets with doors attached directly to susan shelves. Positive action centering hardware keeps unit centered on cabinet opening when not in use. Set includes: (2) polymer shelves&#44; (1) 26-32&#44; 1 diameter telescoping post&#44; (1) pair top and Screws and instructions.