Pennycandy is correct, the original was coated with rubber
https://www.vintagesingerparts.com/p...99bafb47&_ss=r However, I have heard that the metal replacement is sometimes the preferred part. It is possible that a little bit of adjustment (with a Dremel type tool). From your image, it may not need any adjustments. Perhaps starting at the lower part of page
https://www.manualslib.com/manual/11...page=13#manual will be helpful.
Janey - Neat people never make the exciting discoveries I do.
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