This Wall mounted Shower Arm is made of Brass with a polished Chrome finish.
It has 1/2" BSP threaded ends (measuring 3/4" diameter) and is approximately 35cms long (33cms from where the plate sits against the wall to the centre of the head connection). The curved end has a drop of some 7cms.
There is a matching round Cover Plate included (for where the Arm goes into the wall), and it comes with a securing nut/washer.