The CB Bobbin Case is used in particular for sewing utility and decorative stitches with a stitch width of up to 5.5 mm.
Compatible machines
CB-hook bobbins and bobbin cases are required for the following machines:
For all BERNINA activa and 3 Series machines
BERNINA virtuosa
BERNINA aurora
BERNINA artista 165, 170 and 630
BERNINA 555 and 570
