Metal Bobbins Class 66 For Top Drop-in Bobbin Cases 4-Pack by Dritz

Package of 4 bobbins that fit all Singer Class 66 models, and some of the Baby Lock, Brother, and Simplicity machines. Use only the same type metal or plastic bobbins that came with your machine. These bobbins are NOT compatible Bernina, Elna, Husqvarna/Viking, Janome/New Home, and Pfaff machines.