Pack of 10 Plastic Bobbins For Husqvarna Viking Sewing Machines. Part # : 4120612-45 Fits Following Husqvarna Viking models : Group 2 Plasma models : 940, 945, 950, 950S, 960, 980, 990, 990S Group 3 Optima models : 120, 150, 180, 185, 190, 610, 620 Group 4 Classica models : 90, 95, 100, 105, 4300, 6430 Other models : Sweden 6020, 965Q Fits White models : 3000, 8410