Sash Bracket 15-073 vs. 15-066

A home owner from Houston says:
I have what appears to be Sash Bracket 15-073 on the end of my spiral.

Can this be replaced with Sash Bracket 15-066, which looks like a better made part?
A home owner from Houston says:
Adding photo.
User submitted a photo of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Thank you! I'm afraid these two brackets are not interchangeable. They are both made by the same manufacturer, but there is a slight variation on the rivet hole and hook. We can custom make this balance for you, but I will need more information; specifically, I will need to know the length and diameter of the tube, the color of the tip, and how many you need.
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