18034W | B9117-201-000 | BO-DBM(1) | "M" class Bobbin w/Slot for various walking foot compound feed machines. Chrome/White Metal.
SEI-CS-1441 | 97949 Bobbin for SEIKO SK2B / SINGER 132K6 style machine
SIN-103118 | 103005 | 103006 | Bobbin Case for Singer 132K6 + 133K & Seiko SK2B
