Window Block and Tackle sash balance

A handy person from 44202 says:
Letters on the inside of the window include the following:
WS IGCC
CBA 03/IGMAC.WS MED
4289433 LS
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Casey from SWISCO responded:

Hello,

We should be able to help but we'll need to see a clear photo of the clip at the end of the pull cord to confirm the correct replacement. There should also be a stamp on the balance itself that indicates the spring strength you'll need for your replacement balances. Thank you!

A handy person from 44202 says:
lettering is:

g 24HD
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Casey from SWISCO responded:

Great, take a look and compare our S751-25 channel balance with a 24HD strength option to yours. Thanks for posting!

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