Neutral
o on a metal rod make these rings more noise than the plastic rings; Please bear in mind the advantage of smooth-gliding comes to price this very slight noise
Weaken
- A ring of twelve piece was bent upon delivery, and not closed properly. When bending back a piece broke off, now is a gap of 0.5cm, where previously was the closure. But also does not interfere, because the wire is stiff enough to hold the curtain in railways.