Magna Glide Classic 60wt Bobbins
Magna Glide Classic Bobbins are an M size bobbin that fit Handi Quilter machines.
They have a magnetic core which ensure even dispensing of the bobbin thread. They are wound with 60 weight filament polyester.
They have 210 yards on the bobbins.
You do not need to remove the backlash spring to use the bobbins.
In this video Liz Holpin explains how to set the bobbin tension when using these bobbins.