Help me determine my window balancer model

A home owner from Florida says:
March 13, 2017
Hello,

I sent you 2 pictures of my window channel balance. The first picture is of the top and the second one is the shoe. My balance length is 34'. How much money is the shipping to Florida going to be and when I can get it if I order the balance later today? Thank you very much.
User submitted photos of a window balance.
Profile picture of Casey
Casey from SWISCO responded:
March 20, 2017
See our Series 390 channel balance. This looks somewhat similar to yours, so it may be a good place to start.
34" Series 390 Channel Balance
34" Series 390 Channel Balance
S390-34
$11.73
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