120s Overlocking thread is different from regular sewing machine thread. 120s Overlock machine thread is a bit thicker than all-purpose thread. Check your overlocker manual for guidance about how to thread your machine. If you’d like to make a swimsuit, leotard or sportswear, then it’s essential that the seams don’t pop under strain. 120s Overlocker thread brings major peace of mind to your projects.
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