Ceiling Mount for Shower Curtain Rail/ Rod Aluminium in Black 55 cm The role of a shower curtain rod support is to strengthen the corner or universal shower curtain rod. The support element is manufactured from high quality aluminum alloys. It is wall-mounted using a dowel. The standard rod support diameter is 27 mm. Guarantees stability and resilience of your shower curtain rods 55cm - Can be shortened and adjusted to desired measurement. (See fitting instructions photo) Black High quality aluminum alloys Made in: Europe from high quality aluminum alloys.  All screws and fixings are included. Concealed fixings points Fits all poles with a diameter up to 27 mm