Special size for LONG-ARM MACHINES M BOBBIN CASES! Just slip our easy-to-use Mega Genie Magic Bobbin Washers into your M bobbin case, and you’re ready to go! Eliminates the backlash and bird’s nests on the underside of free-motion quilting when changing directions at high speed. Tough and long-lasting.
3 in stock
|Dimensions||2 × 3 × 0.25 in|
These are great and really help stop the thread nests from forming.