Compatibles con los modelos: 

SINGER: 3223, 3229, 3321, 3323 Talent, 4411, 4423 Heavy Duty, 4432, 4452, 5511, 5523, 5532 Heavy Duty, 5554, 7640 Confidence, 9100, 9340, H74 COMPATIBLE CON: EverSewn Mods: ES-C100, ES-H100, Sparrow 20, Sparrow 25 Pfaff 140S, Ambition 1.0, Ambition 1.5 Singer Mods: 3223, 3229, 3321, 3323 Talent, 4411, 4423 Heavy Duty, 4432, 4452, 5511, 5523, 5532 Heavy Duty, 5554, 7640 Confidence, 9100, 9340, H74

 PFAFF: 140S, Ambition 1.0, Ambition 1.5