Well, its broken..and I'd rather do the replacement work myself.

A home owner from Vero Beach, FL says:
August 18, 2018
The part reflects: Unique 29-C-30 and a date of 20-07-99.

I'm assuming I need a full set for both sides of replacement parts; so whatever is required please let me know and I'll order them right away.

Tks,

Charlie Q
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Tom from SWISCO responded:
August 23, 2018

Thanks for posting. Based on this photo, I believe you either have our S390-30 or S351-30 depending on the size of your bottom shoes. You'll need to measure your old shoe to confirm the better option.
A home owner from Vero Beach, FL says:
August 23, 2018
Perhaps it makes sense to order both kits, and return the one that isn't correct.
Please provide a parts breakdown for both and I'll order them straightaway.
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Tom from SWISCO responded:
August 24, 2018

Sure, if that would be easier for you. You only have to measure the bottom shoe, though. That's the only difference. The S390-30 has a 1-1/8" deep shoe and the S351-30 has a 1" deep shoe. No reason to buy both if you can just determine that measurement on your old shoe. It would save you time and shipping.

I'm not sure what you mean when you request a parts breakdown. Did you visit the store pages I linked to in my first post? Is there any information you need that we don't have listed there?
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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