#35 Invisible Zipper Foot, Bernina #0308207000 To properly install an invisible zipper, you must have an Invisible Zipper Foot. As the zipper coils are guided through the tunnel system, the needle sews as close the coils as possible. This easy-to-use foot ensures your zippers are finished professionally and rival that of any high quality garment. - Compatible with Bernina Sewing Machines: 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, 1120, 1130, 1230, 1240, 1260, 1530, 1630 Group H: 820, 830 Models: 530, 532, 534, 540, 600, 610, 640 Vintage, 644, 700, 707, 708, 709, 717, 718, 719, Vintage 730, 731, 732, 740, 741, 742, 800, 801S, 802S, 803S, 807, 808, 809, 810, 811, 817, 818, 819, 831, 832, 841, 842, 850, 900