YKK Invisible Zipper Foot - With Adapators.  A roller zipper foot to be used for invisible zippers comes with 4 adaptors.  Instructions included.  Priced per package of 1 roller foot & 4 adaptors.

1. Adaptor A - For most short shank machines including Bernina, Elna, Viking, Kenmore, Necchi, New Home, Pfaff, Singer & White.
2. Adaptor B - For most long shank machines including Kenmore Super High Shank, Necchi, New Home, Pfaff, & Singer.
3. Adaptor C - For most slant needle machines including Singer.
4. Adaptor D - For all low front mounting machines including New Home & White.