Pfaff Ambition Bobbin Case
While courier companies are making every effort to deliver within a standard operating time frame, this is not always possible. Deliveries may be delayed. more info.
This black plastic part is called the bobbin holder or bobbin case, the bobbin is placed into the bobbin holder and helps tension the thread to create a perfect stitch. If the bobbin case is damaged in any way usally be the needle hitting the outer edge, it will need to be replaced. Every new bobbin case is delivered ready set to the correct tension.