Help to pick correct item

A home owner from North Miami Beach says:
May 10, 2016
Markings 2930 B.S.I
User submitted image of their window hardware.
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Tom from SWISCO responded:
May 10, 2016
Thanks for posting. I believe you have an older type of balance that will have to be custom made. I think our 19-039 is a modern replacement for your top attachment, but I'm not sure about the bottom. See our 15-001 and 15-002 and carefully compare your dimensions to ours. Which is closer? Finally, please tell me how many balances you need.

Once I know that, we can send you a custom order link and price quote.
A home owner from North Miami Beach says:
May 10, 2016
I need 2 ps.
But it is 200 apartments in the building.
Some people would get more later.
After I get my repairs.
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Tom from SWISCO responded:
May 11, 2016
Great, thank you! Were you able to confirm which shoe is a better match? We will need to know that before we continue.
A home owner from North Miami Beach says:
May 12, 2016
15-002 looks good
15-005 seems locks good
I wood like to order 2ps channel balance with all together top and shoe.
additional rivets and tool (75-075)
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Tom from SWISCO responded:
May 13, 2016
I'm afraid I'm a little confused. Did you want the 15-002 or the 15-005?
Top Balance Attachment, Jones
Top Balance Attachment, Jones
19-039
$1.54
Channel Balance Shoe, 1-1/8" Depth
Channel Balance Shoe, 1-1/8" Depth
15-001
$0.74
Channel Balance Shoe, 1" Depth
Channel Balance Shoe, 1" Depth
15-002
$0.74
How to Replace a Channel Balance Attachment
How to Replace a Channel Balance Attachment
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Classifying Channel Balance Fittings
Classifying Channel Balance Fittings
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