All openings are 6High inside
Can be mounted on the wall or side of a cabinet. This item can also be mounted on a hollow door with the special installation kit. Wood dowels help hold things in on each shelf, while the birch inset back panel hides the wall behind the rack! easy to mount with screws provided. Seven 6high opening. Measures 48H x 11W x 3.5d. Unfinished pine can be painted or stained. Proudly assembled in the USA.