Suitable for out door use. Showboards in-out door has a cork backing & a perforated steel backing that allows the use of both magnet buttons & pins for cork together. Single key 4xA4, double key 6xA4, 9xA4 and 12xA4 sizes are available. The cover can be opened 90 degrees. Each unit includes mounting screw and dobels. The profi le width is 45 mm and the depth of the case 30 mm.