These Metal CB bobbins fit most old sewing machines that requires you to put a bobbin into a bobbin case before placing it into your machine. These bobbins fit all the older type sewing machines that use a CB bobbin case. This product comes in a packet of 10.
Prewound bobbins are wound by high-tech machines which provide a smooth, uniform wind. The result is much more thread on the bobbin than a self-wound bobbin. Whether you’re in the middle of an embroidery design or a quilting or sewing project, having to stop to change the bobbin is always an inconvenience. Skip the drama with prewound bobbins!