1/2" wide channel balance for non tilt window

A home owner from Cape Coral, FL says:
Looks like part S350, S351, S380, S385, or S395. What is the difference between these balances? Also, I need the left and right, and both caps.
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Casey from SWISCO responded:

Hello,

With this combination of winged attachments, you could have either an S380 or S385 channel balance. You’ll need to measure as shown below. The Series 380 has a 1" bottom attachment, and the Series 385 has a 1-3/32" attachment. 

Thank you and let us know if you have any other questions or concerns.



Comparison of the S380 and S385 balance shoes.
Comparison of the S380 and S385 balance shoes.
A home owner from Cape Coral, FL says:
Thanks Casey. It's the 380. Can you tell me the part number for the caps that screw into the window and hold the balance below the top of the window?
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Casey from SWISCO responded:

It sounds like you also need top sash guides. There's a good chance we carry the correct replacement but we would need to see an undamaged guide removed from the window, along with dimensions to compare to our inventory. Thank you!

A home owner from Cape Coral, FL says:
They both broke. These caps screw onto the window through the bottom (left) hole.
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Casey from SWISCO responded:

Take a look and compare the dimensions of our 18-166 top sash guide to yours. 

A home owner from Cape Coral says:
Its an 18-166. I'll order both. Thanks for your help.
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