Bobbin holder for the new larger Janome "Jumbo" bobbins. This bobbin case is different then the "M" bobbin cases and the “MB Multi-Needle Machines” bobbin case.
The bobbin case for the HD9 V1 and V2 are different. The bobbin case for the HD9 V1 can be found here: Jumbo Bobbin Holder (V1) 767588005