Rev-A-Shelf Wood Door Mount Spice Racks. Can house spice bottles up to 2-1/4" in diameter. Made of birch/maple hardwood with a UV-cured clear coat finish. Includes chrome rails and adjustable mounting brackets. Rack contains 3 shelves and screws. For 21" wall cabinet. Overall dimensions: 16-1/2” W x 3-1/8" D x 21-1/4" H