2 broken coil springs

A landlord from NJ and PA says:
My handyman took these pics, no numbers or markings provided.
Both "coil springs" (at least that's what I call them) are broken in this window. Do these come in different sizes? All I have is the window measurements (but I doubt that will help), and these pics ?

By the way, we met at SJREIA (I am a member).
User submitted photos of window hardware.
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Paul from SWISCO responded:
Thanks for contacting us! Yes, coil window balances come in many different sizes and varieties. Fortunately, I think your picture tells us what we need. I can just about make out the style of your pivot shoe from your first picture, though it is a bit obscured. I think it'll be a match for our 15-087. Pivot shoes act as a kind of "key" for identifying the rest of the hardware; if you can find the shoe, you can find the rest. I've made a list of parts related to the 15-087 pivot shoe which you can review on the right side of this page. As for the coil balance spring itself, the Series 180 is compatible with the 15-087, however you will need the number printed on the old spring to determine the best option.
A professional from NJ and PA says:
OK does 15-087 contain ALL of the components?
If so, I would like to order two of them.
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Paul from SWISCO responded:
I'm afraid not. The 15-087 is just the pivot shoe. Each individual part for this kind of balance system is sold separately. The reason for this is because, in most cases, you don't need an entirely new hardware set. You only need to replace the parts that are broken, and simply reuse the rest.
A landlord from NJ and PA says:
Ok, how do I order 2 sets of all the parts?
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Paul from SWISCO responded:
You can place your order directly on our site whenever you wish.
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