Non tilt channel balance

A quick learner from Delray Beach, FL says:
The unit was built in '74. It is located in Delray Beach, FL. The aluminum bedroom window is 46"L x 43"W. The number stamped is 1720 and is 18" L x 1/2 "W.

I would like to purchase right & Left with the top ivory catch and bottom shoe already attached. I need two handles, and the right and left side window parts that are broken off. I've included a picture of them too.


User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Hey, thanks for posting. I've narrowed this down to two possible channel balance Series: either our Series 351 or our Series 390.

Now, as you can see, the only difference between these two Series is their bottom shoe. The Series 351 uses the 15-002 while the Series 390 uses the 15-001. I can't quite tell what you have based on your pictures, though. Please carefully compare their dimensions to your own hardware and see which is a better match.
Comparison of <a href='Channel-Balance-Shoe/pd/Replacement-Sash-Support-Channel-Balance-Shoes/15-001'>15-001</a> & 15-002
As for the other parts, see our 18-187 and 90-293 and compare them to your existing hardware to see how well they match.
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