Guaranteed to fit Pfaff Sewing Machine Models:
1051, 1053, 1181, 1181-D, 1183, 1183-D, 1193, 1194, 141, 1571, 1574, 1591, 2481, 2483, 26, 3338, 3511, 3519, 3701, 3704, 3734, 38, 3801, 3811, 3822, 3827, 3832, 3834, 463, 481-G, 483-G, 487, 5483, 571, 574, 9083, 918U, 938U, 938U-SRP, 939U