35 inch channel block and tackle type balance with 35 B stamped on it

A contractor from Ga says:
Tilt window,found type of balance online but it has the wrong shoe/pivot housing attached to it.
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Hello! Thank you for your continued patience. We have determined that we can make this balance for you, but it will need to be a custom order. Before we begin, can you just tell me how many you need?
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