The Burg-Wachter Post Catcher is manufactured from tough, galvanised steel with a silver finish, and is for use on the inside of the letter plate. It keeps the mail neat & tidy and safe away from pets, and also helps to deter "fishing" theft of mail. Features: For use on the inside of your door and with a letter plate Keeps mail tidy and away from pets Stylish design Restricted access for fishing Easy to install Supplied with fixings.