These bobbins fit some of the following machines: Singer, Baby Lock, Brother, Riccar, Simplicity, and White. (Top Loading only)
These bobbins are not compatible with the following machinese: Bernina, Elna, Husqvarna, Viking, Janome, New Home, and Pfaff.
Consult your sewing manual to determine the type of bobbin needed for your machine. Use only the same type (metal or plastic) of bobbin that came with your machine.