The Rotary Hook is one of the four different hooks and has different bobbins and bobbin cases for different purposes.   They are required for the following machines:

·      Bernina 1000, 1000S, 1000UP, 1001UP, 1070 and 1630

·      Bernina artista 180 and 185

·      Bernina aurora, 435, 450 and 640

·      Bernina artista, 200 and 730

·      Bernina 560 and 580

Please include the model of your machine in the comments sections when placing an order to ensure you get the correct item.