Metroplan shield post mounted exterior showcases metroplan sceb18al these weatherproof showcases from metroplan are supplied on 2 heavy duty steel posts which can be bolted to any suitable flat surface these noticeboards have an aluminium frame and a powder coated steel rear backing plate which gives extra weatherproofing and security they are available with a range of exterior cloth colours metroplan shield post mounted exterior showcases 1050x1397mm aluminium frame