This is a Button Sew-on Foot for Bernina Old Style 530 610 730 830 930 1010 1530 1630 This consist of 3 very useful parts :a presser foot base+Snap-on Shank+Bernina adapter, you also can use these 3 parts on your other machines or changing to other purposes foot. It cannot be used for "NEW STYLE" machines. Fits the following models of Bernina 1530 & 1630 1200 Series models..... 1230, 1260 1100 Series models..... 1120, 1130 1000 Series models..... 1000, 1001, 1004, 1005, 1006, 1008, 1010, 1011, 1020, 1030, 1031, 1080, 1090 900 Series models..... 900, 900E, 910, 910N, 930, 931, 932, 940, 950 800 Series models..... 800, 801, 801s, 802, 802s, 803, 803s, 807, 808, 809, 810, 811, 811s, 817, 818, 819, 830, 830e, 830H, 831, 832, 840, 841, 842, 850 700 Series models..... 700, 707, 708, 709, 717, 718, 719, 730 (not Artista 730), 731, 732, 741, 742, 744 600 Series models..... 600(not deco), 610, 614, 640-2, 642-2, 644 500 Series models..... 530, 530-2, 531, 532, 532-2, 534, 540, 540-2, 542-2