Vintage 1966 Greist Automatic Buttonhole Stitch Attachment Sewing Machine Parts

Vintage 1966 Greist Automatic Buttonhole Stitch Attachment Sewing Machine Parts Brand: Greist MPN: 2482607 Type: Buttonhole Attachment Compatible Brand: For Greist Custom Bundle: No Country/Region of Manufacture: United States Condition: Vintage condition - shows minimal use Comes in original box - the box plastic is torn Comes with all the pieces and book as shown in the photos I am not the sewing machine expert so I will try and answer non-technical questions Smoke free and Pet free home