The length: According to customers' requests; 13 / 16 / 19 / 22 / 25 / 28mm

One Curtain Rod Set including (Choice 1):
1) metal single pole, the length: 13 / 16 / 19/ 22 / 25 / 28mm (Diameter); 0.6 / 0.7 / 0.8 / 0.9mm (thickness)

2) 2 brackets
3) Rings (metal or plastic)
4) 2 related finials
5) Including screw and anchor

One set including (Choice 2)
1) metal extensible pole: 13 / 16 / 19 / 22 / 25 / 28mm (Diameter); 0.6 / 0.7 /0.8 / 0.9mm (thickness)
2) 3 adjustable brackets
3) Rings (metal or plastic)
4) 2 related finials
5) Including screw and anchor

One set including (Choice 3)
Double-rails are also available.