The same flexible rubbery plastic unit that your customers have come to know and love for their standard bobbins is now available in a Jumbo size that is compatible with higher-capacity bobbins Works with the Bernina 700 and 800 series high capacity bobbins that are 1-1/16" diameter.
Other Images

icon Blue Feather BSLAV Jumbo Bobbin Saver Ring, Lavender for Bernina 700 & 800 Series