Quick - Shelf Hangers Six Shelf 16" Deep Ceiling Mount Shelving Unit Up to 1,050 lb capacity Simple hook through contruction allows you to effortlessly hang shelves from each other Skip shelf boards to create "double tall" shelves. Accomodates 16" wide plywood or melamine. Overall size is 16-1/2" deep X 7ft-4" tall X board length wide [Rec 8 ft max for 3/4" thick wood]