Compatible with All Handi Quilter Long-Arm Machines Many quilters like to have an extra bobbin case in case one gets dropped and damaged and for use with bobbin work. This is for 1 Bobbin Case ONLY. Pictured is the front and back of the single unit bobbin case. Guaranteed to fit Brother Industrial Machine Models: B797 Guaranteed to fit Chandler Industrial Machine Models: DR-337, DY337 Guaranteed to fit Handi Quilter Industrial Machine Models: Fusion Guaranteed to fit Rex Industrial Machine Models: 11-155RB, DY637 Guaranteed to fit Tacsew Industrial Machine Models: T155RB, T111-155 Guaranteed to fit Tin Lizzie Industrial Machine Models: 18