Dritz Metal Class 66 Bobbins 4 Count 928. Class 66 Metal Bobbins. Four top drop-in bobbin cases. Consult your sewing machine manual to determine type of bobbin needed. Fits some of the following machines: Singer, Baby Lock, Riccar, Simplicity and White. CHK-928
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Item# : SPM15934642828
Model # : CHK-928