Do you sell this replacement Caldwell part?

A handy person from Belle Plaine, Iowa says:
The plastic ends ar 15/16 inch wide at the widest part of the tabs. The metal track is 1/2 inch on the narrow side and 5/8 on the wide side. The top of the spring does not have a pulley and it is anchored inside of the metal channel. On the backside of the metal channel there is an imprint that reads 26 4 AN Caldwell. What replacement part do I need to order?
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Tom from SWISCO responded:

Thanks for your photos. Based on what I see here, you have either our S380-27 or S385-27, depending on the depth of the bottom shoe. That's the only difference between them. I recommend measuring your shoe and referring to our dimensions to confirm the best match.

Comparison of the S380 and S385 balance shoes.
Comparison of the S380 and S385 balance shoes.

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