Coil balance vinyl window

A quick learner from New york says:
G 10 I
Metal strap 10CH

1-1/4" x 13/16" x 2-5/8"

I guess I could just replace metal coil (if possible) 11/16"
Attached approx 29" from sill

User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Hello! This is actually a special type of balance that we don't carry normally. Fortunately, we can supply it as a custom order. Before I begin, can you tell me how many you need?
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