Bobbin for sliding hook flyer - DOUBLE DRIVE bare timber

Bobbin for DOUBLE DRIVE Sliding Hook Flyers - bare timber

Often referred to as a 90mm bobbin or a B9

Made for the double drive sliding hook flyers, however may be used on a scotch tension flyer taking this size bobbin

This is NOT a "standard double drive bobbin" It is larger!
This is NOT a Jumbo Bobbin - it is smaller, however will fit a Jumbo Flyer!