Drtiz Metal Class 15 Bobbins 4 Count 927. 

Class 15 Metal Bobbins. 

Fits Singer Class 15 models and most other sewing machines with a removable or 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-927