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GENUINE High Quality Clear Plastic Bobbins, 11.5 Size - 7/16 inches deep. Security notch for consistent bobbin thread winding. Choose either 10, 30, 50, or 100 bobbins per pack. These Bobbins are the exact bobbins that came with your machine. GENUINE. Be careful not to get the cheap whobbly off-brand bobbins that can damage or effect the tension that causes problems with the stitch.
Part Number: BAB X52800150
Alternate number: SA156, X52800120, BLG-BOB
Guaranteed to fit because it is a part.