18034W | B9117-201-000 | BO-DBM(1) | "M" class Bobbin w/Slot for various walking foot compound feed machines. Chrome/White Metal.
BB-25-N | Clear Bobbin Box / fits 25 bobbins ( bobbins sold separately)
SEI-CS-1441 | 97949 Bobbin for SEIKO SK2B / SINGER 132K6 style machine
SIN-55623/T | Singer Bobbin Long Cut Slot (S)