These slick space-age washers eliminates the backlash in the bobbin when changing directions
at high speed.
Backlash creates 'birds nests' in free-motion quilting and embroidery.
Just drop a 'little genie' in the bobbin case, replace the bobbin and you are good to go!
Fits all domestic machines with size L snap-in bobbins
Tough and long lasting.
Package of 12
NG-448....$19.98