Check Spring Bernina 730 830

Bernina 530, 540, 700, 701, 707, 709, 710, 717, 729, 730, 732, 740, 750, 801, 801S, 803S, 807, 809, 810, 811, 819, 830, 832, 840, 850, 900, 910, 930, 932, 940, 950, Bernina compatible-not Bernina trademark