All of the Pfaff snap on and low shank feet in this category fit the following models:
Creative Sensation, Vision, Performance, 4.0, 3.0, 2.0; Performance 5.0; Expression 4.2, 4.0, 3.2, 3.0, 2.0; Ambition 1.5, 1.0, Essential; Passport 2.0; Select 4.0, 3.0, 2.0; Smart 1100; 1548, 1546, 1540, 1538, 1536, 1530, 1528, 1526, 1522, 1520; 2170, 2144, 2140, 2134, 2124; 2058, 2056, 2054, 2048, 2046, 2044, 2042, 2040, 2038, 2036, 2034, 2030, 2028, 2026, 2024, 2020, 2014, 2010; 7570, 7562, 7560, 7550, 7530, 7510; 6270, 6250, 6232, 6230, 6152, 6150, 6122, 6120, 6112, 6110, 6091; 1475, 1473, 1472, 1471, 1467, 1371, 1171, 1151, 955, 935; Hobby 4270, 4260, 4250, 4240; Hobby 1042, 1040, 1032, 1022, 1030, 1020, 1016
Models 1229, 1222, 1221, 1217, 1216, 1215, 1214, 1213, 1212, 1211, 1209, 1199, 1197 & 1196 are all high shank. Some models came with the snap on shank, others that use only screw on feet, just purchase the Pfaff High Shank Adapter and use Pfaff style snap on presser feet. High shank screw on feet are available as well.
Models 6085, 1469, 1147, 1069, 1047, 1035, 1029, 1027, 947, 939, 935, 933, 927, 919, 917, 916, 875 & Hobby 1142, 1132, 1122 do not use Pfaff feet, they use Janome presser feet.
Hobby models 4228, 741, 721, 645, 541, 382, 380, 350, 342, 309, 307, 303, 297, 295, 260, 259, 213, 211, 209 use generic presser feet.