Solid Iron Rustic Mail Slot (Flat Black Finish) - Constructed from solid iron and hand finished in USA. This piece measures 10 3/8 inch wide by 3 3/8 inch tall. Slot opening measures approximately 8 1/4 inches wide by 2 1/2 inches tall. This mail slot has a strong spring for opening and closing. This mail slot opens into the door and it does not come with a finished back plate. We recommend using wood trim to finish the back of the door.