Package of 8 Lightweight, large-capacity M-class slotted aluminum bobbins. Recommend each owner have at least 10 bobbins on hand. M-class bobbins can vary in weight, thickness and diameter. For best results, always use HQ-recommended bobbins. Comes in a package of 8.

Start winding these bobbins by sticking the thread tail through the slot, then holding onto the tail when winding.

Bobbin requirements - Handi Quilter Forums
All Handi Quilter quilting machines
Baby Lock Jewel & Crown Jewel
Tin Lizzie 18
Queen Quilter 18
Ansley 26
Husqvarna Viking Mega Quilter 18x8
Pfaff Grand Quilter 18x8
Janome Artistic Quilter
18 inch Long Arm machines.