Make sure you order the right size like I did. They work great. I've only tried them on my multi-needle machine, but I'm sure they will work on my single-needle machines if I remove the spring in the bobbin case. Don't use them too often as I have a multi.
𧡠ilauke 50Pcs Bobbins Sewing Threads Kit: 400 Yards Thread Spools, Prewound Bobbins with Case for Brother Singer Janome Machine - 25 Vibrant Colors
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