Bernette bobbins always maintain the thread tension consistent. It enables you to produce accurate sewing and embroidery projects.
Pack of 10 bobbins for the Bernette b70 | b77 | b79 and Chicago 5 and 7 only
Although these look like standard bobbins from other manufacturers, these are specific to the above models, using other bobbins will cause tension and machine problems.
Not for use in other Bernette machines