Need more foam inserts for your Bobbin Case or extra inserts to keep in your sewing room? Your choices are:
Foam #1 holds 35 bobbins compatible with M Class long arm machines and Bernina 8 Series machines.
Foam #2 holds 42 bobbins compatible with the newer Bernina 5 Series and 7 Series machines.
Foam #3 holds 40 bobbins compatible with 5.5mm, 9mm, Pfaff, Singer Class 15, drop-in Class 66 machines, etc.