Anderson balances

A contractor says:
Hello I am looking for anderson replacement balances labeled E65 9# 8-87 - see attached photos.
Thank you
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Bob from SWISCO responded:

Hi there. It's a bit tough to tell, as the stamp is faded pretty bad right where it matters most--but if that stamp read 9#27 or 9#37, then our 24-939 could work as a replacement. See if the other balance in the window has a stamp that is more intact to read. 

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