11" Channel balance ID

A home owner from bathroom window says:
The balance is 11 in long when excluding the two plastic ends. Each plastic ends have "wings".I've seen the top end on your website but don't an identical bottom piece. The # stamped on the metal channel says 1020 and it's 1/2 inch.Pictures are attached. Thanks for any help you can provide. John Thompson
A user submited photo of window balance
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Paul from SWISCO responded:
Thanks for posting! Before I can offer an applicable replacement channel balance for you, I just need to confirm the depth of your bottom shoe. I think it may be 1", which means our 15-005 could work to replace it, but I can't sure. Please compare it to the 15-005 and let me know.
A quick learner from Bathroom window says:
I've measured the depth of the bottom shoe and it looks to be 7/8 inch. Thanks for your fast response. John T.
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Paul from SWISCO responded:
Thank you. I believe this may be our Series 380 channel balance, but we don't have any option in that Series for an 11" channel. This balance will have to be custom made.

To start, please fill out this Custom Channel Balance Order Form and fill out the rest of the information. One of our representatives will be in contact with you shortly thereafter.
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