- Manufactured by LaPierre Studio - Special size for LONG-ARM MACHINES with 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.
- Package of 12.