Bookcases come with black hardware to provide a spot for the Toulouse library ladder.TOULOUSE LIBRARY ENDS (TO-594) MUST BE PURCHASED SEPARATELY. INCLUDED IN TO-LIBRARY3 AND TO-LIBRARY4.Poplar and acacia solid with pine veneer construction.Two tone, ebony and warm honey interior finish.Four adjustable shelves with one fixed shelf.Sized to fit perfectly in rooms with 8' ceilings.Each bookcase can attach to others by 4 bolts on each side.