Trying to find replacement balances

A handy person from Raleigh NC says:
Trying to figure out what replacement parts are needed to fix or replace these balances. I would also like to replace the bottom weather stripping at the same time if we can figure out the window type. Thank you so much!
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Tom from SWISCO responded:

It's tough to determine what you have from these photos. Do you have an undamaged version of this balance that we can see removed from the window? Can you also tell me the diameter of the spring?

As for the weatherstripping, we will also need you to remove an undamaged sample of that for us to review. The video below will tell you exactly what information we need to ID a match.

A handy person from Raleigh NC says:
Here are 5 more photos I got last week. I have measurement photos of everything also if needed. The spring diameter is 1/4 inch.
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Tom from SWISCO responded:

Thanks, these are a huge help. You have an old crossbow balance. These aren't made anymore, but you can use our Series 795 as a replacement. The process is a little involved, but we have another video that will walk you through it step-by-step.

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