Adjusting the gap for the positioning finger on a Singer 221 or 301 sewing machine

Adjusting the gap for the positioning finger on a Singer 221 or 301 sewing machine
Adjusting the gap for the positioning finger on a Singer 221 or 301 sewing machine
Adjusting the gap for the positioning finger on a Singer 221 or 301 sewing machine
Adjusting the gap for the positioning finger on a Singer 221 or 301 sewing machine

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