Bernina Presser foot No.20, 5mm fits later machines open embroidery foot.

Bernina Sewing Machine 20 Open Embroidery Foot. - 8 Series (820, 830, 880). - 7 Series (710, 720, 740, 750, 765, 770, 780, 790). - 5 Series (530, 535, 540, 550, 560, 570, 580, 590). - 4 Series (435, 475, 480).

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