For Bernina 125, 130, 135135S, 140, 145145S, 150, 153, 155, 160,163, 165, 170, 210, 220, 230PE, 240, 430, 440, 630, 640, 700, 707, 717,730, 801, 801S, 802S, 807, 811, 817, 830, 830E, 900, 900E, 910, 930, 1004, 1005, 1006, 1008, 1010, 1011, 1020, 1030, 1031, 10801080QE, 1090S1090QE, 1120, 11301130LE1130S, 1230, 1260, 1530, 3Series 330, 350, 380, 5Series 530, 550QE Bernina compatiblenot Bernina trademark Outside diameter: 20.6mm Height: 11.7mm Axis diamter 6mm