30" Channel Balancer stamped 23 9 BSI

A home owner from USA says:
December 14, 2015
Can you help me identify another channel balancer. Metal measures 23 5/8" long. Stamp on balancer says "23 9". To me, it look like 19-005 top and 15-004 shoe, but the bottom shoe looks a little different than one on your website. I also don't know which stamp option (sash weight) to select. This is for a Milgard window that measures approximately 52"x47".

I attached some pictures. Let me know if you need additional pictures or info.

Again, I appreciate any help you can provide.
User submitted photos of a window balance.
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Tom from SWISCO responded:
December 15, 2015
Hello again! We can help with this balance, but it will have to be custom made. It's different than the one in your last discussion. Before we start, can you just tell me the weight of your sash? Thanks!
A quick learner says:
December 29, 2015
Ok, I pulled out the window sash and weighed it. This window sash weighs 29 pounds.
Thanks.
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Tom from SWISCO responded:
December 30, 2015
Perfect, thank you. I have everything I need to get started, all I need now is the quantity of balances you wish to purchase. Once I know how many you need I can send you a price quote and custom order link.

Keep in mind that for this custom balance there is a two piece minimum.
A quick learner says:
December 31, 2015
Thanks! I have three of these windows. So I'd need six balances.
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Tom from SWISCO responded:
January 5, 2016
Great, I'll send you a quote immediately.
24" Series 385 Channel Balance
24" Series 385 Channel Balance
S385-24
$10.55
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