Bernina old style Zipper Foot (#unknown as numbered ones have cut out both sides). Cut out on right side only. With screw for guide. Used working one side tab foot. Will work on Bernina models: 530, 532, 534, 540, 600, 610, 640 (not Artista 640), 642, 644, 700, 707, 708, 709, 710, 717, 718, 719, 730, (not Artista 730), 731, 732, 740, 741, 742, 744, 800, 801S, 802S, 803S, 807, 808, 809, 810, 811, 817, 818, 819, 831, 832, 841, 842, 820, 830, 850, 900. Plus will work on Group A Bernina's: 910, 930, 931, 932, 933, 940, 950, 1000, 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. Price includes shipping to lower 48, return for full refund if fails on your Bernina.