Please help with recommendations

A quick learner from Treasure Island, FL says:
I would like to replace the current channel balance in my condo but the imprint reads "21e" and is 22" long. Is the correct replacement part S770-22?

Also, would the pivot lock shoe product code 15-179 fit the old pivot lock shoe or can you recommend a different one?

Lastly, the screws holding in two of the balances are bent. They look like machine screws about 1" long. Do you sell replacements?

Thank you for your help!
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Bob from SWISCO responded:

Yes, the S770-22 with a stamp option of 22E seems correct. For new fasteners see our 33-016. The 15-179 might work for the pivot shoe, but it truly comes down to dimensions. Compare the width and thickness to see if they match up. Also show me the pivot bar that interacts with this shoe.

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