Assembling the Slow-up Spring Roller Blind 

This answers all my questions. Thank you. Its all very clear

Thanks

nice, thanks.

Not the best demo video I have seen. Too much background noise. And the operation of a huge industrial machine was not explained! What on earth was he doing and why ? Not the sort of thing to do at home kids. No mention of how to alter width of blind if that’s at all possible. Could do better