Balance identification

A handy person from USA says:
I t appears to be series 150 coil balance that I need to replace but do you have the anchor bracket so to speak that holds in sash , I'm not positive of weight needed but sash is small vinyl approx 40 united inches.. thank you Ron
Need for job asap, thanks again !
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
It's tough to make out what you have while it's still installed, but compare the width and thickness of your pivot shoe to our 15-140. This might be a possible match. For the spring, I agree that our Series 150 is a good match. You will need the stamp on the old spring to determine the best option.
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