Singer Sewing Machine Featherweight Seam Guide Attachment #25527 - 15/66/201/221

Singer Sewing Machine BlackSide Seam Guide Attachment #25527 - 15/66/99/201/221+

Singer Sewing Machine Tuckmarker "Tucker" Attachment - 15/66/99/128/201/221++

Singer Sewing Machine Seam Guide 221 Featherweight 66 99 201 15 185 192

Singer Sewing Machine 7pc Attachment Set w/ Box - 15/66/99/201/221 Featherweight

Vintage Singer Sewing Machine Attachment Set 66 15-91 99 201 221 Low Shank USA

Singer Sewing Machine Bias Guage Guide Accessory 221 Featherweight 201 15 66 99