description compatible with bernina sewing machine models: group a: 910, 930, 931, 932, 933, 940, 950, 1000, 1001, 1004, 1005, 1006, 1008, 1010, 1011, 1015, 1020, 1021, 1030, 1031, 1050, 1070, 1080, 1090, 1091, 1120, 1130, 1230, 1240, 1241, 1260, 1530, 1630|group c virtuosa:150, 153, 153qe, 155, 160, 163|group h: 820, 830|models: 530, 532, 534, 540, 600, 610, 640 (not artista 640), 642, 644, 700, 707, 708, 709, 717, 718, 719, 730, (not artista 730), 731, 732, 740, 741, 742, 744, 800, 801, 802, 803, 807, 808, 809, 810, 811, 817, 818, 819, 831, 832, 841, 842, 850, 900
