#12 Bernina Overcast Bulky Foot - Old Style The bulky overlock presser foot is great for knits and makes couching thick cords a breeze. You may also use this foot to apply sequins, wool, yarn, and more. For old style Bernina models such as 530, 532, 534, 540, 600, 610, 640 (not Artista 640), 640-2, 644 700, 707, 708, 709, 717, 718, 719, 730 - not Artista 730, 731, 732, 740, 741, 742, 800, 801S, 801/S, 801 Sport, 802S, 802/S, 802 Sport, 803S, 803/S, 803 Sport, 807, 808, 809, 810, 811, 817, 818, 820, 830, 831, 832, 840, 841, 842, 850, 900, 910, 930, 1001, 1005, 1006, 1008, 1010, 1020, 1030, 1090, 1120, 1130, 1230, 1530, 1630 Bernina compatible - Not a trademark Bernina accessory Also known as Overcasting Foot