Need to replace channel balance

A quick learner from Washington Heights says:
August 22, 2021
I believe my channel balance is a 2930 option but I do not know what series (top and shoe) it is. Please help.
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Emily from SWISCO responded:
August 27, 2021

Hi there!

It looks like you have either our S351-30, with a 15-002 bottom attachment, or S390-30, with a 15-001 bottom attachment. Take a look at the image below to determine which balance you'll need. You'll also need a spring strength option of 2930.

If you have any further questions just let us know!

Comparison of the S351 and S390 balance shoes.
Comparison of the S351 and S390 balance shoes.
A quick learner from Washington Heights says:
September 3, 2021
Thank you for a thorough reply, Emily! I believe I have the 15-002 version. I will order when needed.
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Emily from SWISCO responded:
September 7, 2021

Absolutely! If you have any further questions, you know where to find us. 
30" Series 351 Channel Balance
30" Series 351 Channel Balance
S351-30
$11.52
30" Series 390 Channel Balance
30" Series 390 Channel Balance
S390-30
$11.30
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