Bronze Aluminum Bobbins FIT Bernina 217,517,540,542,544,640,740,750,850,950

117, 121, 217, 217N, 217N-C, 317, 517, 540, 542, 544, 640(Not Artista), 640-2, 740(NOT 740E), 741, 742, 744, 750(Old Model), 840, 841, 842, 850, 851, 852, 940, 950. And fit for refrey 427.

eBay