Guaranteed to fit Pfaff sewing machine models:
130, Ambition 1.0, Ambition 1.5, Ambition Essential, Quilt Ambition 2.0, Select 150, Smarter 140s, Smarter 160S, 260C Smarter, Passport 2.0, Passport 3.0

Guaranteed to fit Singer sewing machine models:
Featherweight C240

Alternate Part Numbers: 416580401