Window Channel Balance: DB102 2730

A quick learner from Ft. Worth says:
Howdy, am (like everyone else) trying to determine which replacement balance I need.

Length of the metal bar is 28". Embossed are the letters
DB
102
2730 (perpendicular to the first two lines).

The top appears to be a 19-005 - the measurements match, though there's an extra rib not shown in the 19-005.

The foot I'm less sure about. Naturally I can't seem to get the piece separated from the frame, so it's either a 15-001 or 15-002. The length is, so far as I can measure, 1-1/16". Not 1-1/8", but definitely more than 1".

Any help greatly appreciated.
A customer submitted photo of channel balance attachments.
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Tom from SWISCO responded:
Thank you for posting! If you need help identifying your bottom shoe, please take a look at this chart and pick out the example that resembles your shoe more closely. This will help determine your balance Series.
Profile picture of Tom
Tom from SWISCO responded:
Actually, upon further inspection, we believe that your shoe might be our 15-002. We do not have a current channel balance Series that incorporates both the 19-005 and 15-002 attachments, however, so it will have to be a custom order. Please let me know if you wish to proceed and I can set you up with a purchase form to fill out!
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