Bernina High Thread Tension Bobbin Case

Compatible with the BERNINA Hook #89 bobbins
Black bobbin case for sewing and embroidery
Golden-yellow bobbin case for specific embroidery and free-motion quilting
Red bobbin case for bobbinwork

Compatible with the following machines B700 E, B 720, B 740, B 770 QE, B 790, B 790 PLUS B 500 E, B 535, B 540, B 570 QE, B 590 B 435, B 475 QE, B 485, B 480 Sometimes you need more tension on the bobbin thread than usual for embroidery, free-motion sewing or free-motion quilting.

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