Dritz Bobbins Plastic Class 66 10pc
Fits all Singer Class 66 models and some of the followingmachines: Baby Lock, Brother & Simplicity. Bobbins notcompatible with the following machines: Bernina, Elna,Husqvarna/Viking, Janome/New Home & Pfaff. Use only the sametype metal or plastic bobbin that came with your machine.