Emily from SWISCO responded:
November 10, 2022
Hello there! Based on what is shown here, I recommend either our S351-22 or S390-22 channel balance. The important difference between these two parts is the bottom shoe depth so you'll need to measure as shown in the photo below. For a spring strength option, you would need to select the 2140 option. Comparison of the S351 and S390 balance shoes.
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