parts for window

A home owner from mobile says:
need to see how to twist boot to get it to move up.... also need to remount two in a window, need metal balance for one window, grey roller is broken at top, string is loose...
Tilt channel balance
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Tom from SWISCO responded:
Thank you for contacting us. Please see our Series 775 channel balance, this looks like it could be a possible match.
How to install a S775 balance
How to install a S775 balance
GUIDE
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