Singer Metal Bobbins Class 15 4 Count. 

4 Class 15 Metal Bobbins. 

For Singer models that use a metal class 15 bobbin, and Brother machines XL3010, XL3022, and VX1120. 

Consult your machine’s manual to ensure correct bobbin size. 

Use the metal bobbins beneath the needle plate in automatic sewing machines to wind the thread for your embroidery projects.    

CHK-2136