ompatible with Bernina old style machine such as - 

530, 530-2, 531, 532, 532-2, 534, 540, 540-2, 542-2,
600 (excluding Deco models), 610, 614,
640 (excluding Artista 640), 640-2, 642-2, 644,
700, 707, 708, 709, 717, 718, 719,
730 (excluding Artista 730), 731, 732,
741, 742, 744,
800 series incl. Minimatic 801 / 801S / 802 / 802S / 803 / 803S,
807, 808, 809, 810, 811, 817, 818, 819,
830, 830E, 830H, 831, 832,
840, 841, 842, 850,
900, 900E, 910, 910N,
930, 931, 932, 940,
1000, 1001, 1004, 1005, 1006, 1008, 1010, 1011,
1020, 1030, 1031,
1080, 1090, 1120, 1130,
1230, 1260, 1530, 1630.

• 1/4" Bias Binder Foot (Screw on type) Fist most low shank sewing machine
• To bind edges with 1/4" (6mm) Bias Binding, cut a 1" (24 mm) wide bias strip of light weight fabric, or use packaged narrow double fold Bias Binding. Straight stitch, length 2.5, or zigzag or decorative stitch at desired length. Cut the end of the bias tape to a point. Insert the bias tape from the outside of the funnel guide, into the slot that matches its width,
• (the second slot is perfect for packaged bindings), and pull it down under the foot. Place the edge to be bound into the groove on the left side of the funnel guide. Adjust needle position as needed or to adjust the position of the binder funnel/guide, loosen the screw on the top of the foot and position the funnel guide as needed.