The Bottom Line thread on cardboard-sided prewound bobbins, 60wt. Lint free Polyester. Each bobbin has 118yds.

Following is a partial list of machines that are compatible with L style bobbins:

APQS
Babylock - most models
Bernina 180, 185, 200, 640, 730, 1630, Deco
Brother - most models
Elna most models
Esante ESE
Hinterberg Voyager 17 and Weekender
Janome most models
Juki all models
Nolting (Fun Quilter, Hobby Quilter, and machines with L hook)
Pfaff all models
Simplicity SE2
Viking Designer I, II, SE, Rose
Voyager

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