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The quantum side bars operate the same way as the millenium - so yes they are adjustable as far as you can tighten the tension using the inbuilt screws. The tension is very good. Im not sure what you mean by fully unscrew - if you need to roll the fabric up or down as you are stitching then yes you unscrew, take the top or bottom bar off, turn and replace the side bars. the fabric stays anchored in the roll bars. So then you just tighten the screws again. Hope that helps. I found it quite easy to load the fabric as long as you match up centre top and bottom straight edges. Hope that helps!!! The videos on youtube should explain better. Quantum supply two sizes of side bars, I bought both. |
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