Replacement for broken pivot bar

A handy person from Staten Island NY says:
January 20, 2023
I ordered and replaced six S795-30, option: 30C, 30 inch series 795 channel balances for three windows.
Unfortunately, The pivot bar for one window is broken and needs to be replaced.
The current part (broken off) is etched with a number "4", and the first screw hole is one inch from the edge.
How do I determine which is the correct Pivot Bar for my windows?
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Casey from SWISCO responded:
January 23, 2023

Hello,

We'd be happy to help but we would need to see an undamaged pivot bar removed from one of your windows to compare to our inventory. We'll relate a few videos on this page to assist you. Thank you! 
30" Series 795 Channel Balance
30" Series 795 Channel Balance
S795-30
$13.87
How to Replace Damaged Pivot bars
How to Replace Damaged Pivot bars
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