"25 Plastic bobbins w/ Bobbin box fit Pfaff Sewing Machine Models:

1020 Hobby, 1022 Hobby, 1030 Hobby, 1032 Hobby, 1040 Hobby, 1042 Hobby, 139, 140S, 204, 205, 206, 207, 208, 209, 210, 211, 260C, 260S, 4240, 4250, 4260, 521 Hobby, 541, 645, 721, 741, ambition 1.0, ambition 1.5, ambition essential, ambition 155, ambition 155 Anniversary Edition, creative 1.5, quilt ambition 2.0, passport 2.0, passport 3.0, Smarter 155"