This particular Bernina 1/4" Foot with guide (#57), also referred to as a Patchwork Foot W/ Guide, or Quilting foot, features a uniquely designed guide that securely stays in place and prevents it from getting stuck in the feed dog hole.
It is compatible with various Bernina old style models, including 530, 532, 534, 540, 600, 610, 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, 830, 831, 832, 840, 841, 842, 850, 900, 910, 930, 931, 932, 933, 940, 950, 1000, 1000+, 1001, 1004, 1005, 1006, 1008, 1010, 1011, 1015, 1020, 1030, 1031, 1080, 1090, 1120, 1130, 1230, 1260, 1530, 1630,
This attachment is compatible with Bernina sewing machines. This is not a trademarked accessory, but it is designed to work seamlessly with Bernina products.