This double run round tube inner run curtain rod (a combination of round tube and inner run profile) with a rod and profile diameter of 16 mm is perfectly suited to complete a perfect curtain decoration. The 16 mm diameter tubes are made of metal. The 16 mm diameter inner runner profiles are made of aluminium and have a 6 mm runner groove. The upper groove is intended for fixing a connector in case a division is necessary due to the length. The accessories such as carriers are made of metal, and end pieces and rings are made of varnished wood. This complete set includes all accessories necessary for assembly. Size: 5cm H x 320cm W x 15cm D