Singer 366 Hooks & Bases

HSH-7.94B Genuine Hirose Hook & Base with B type full gib for general use from light to heavy materials will fit most types of standard non trimmer flat bed machines.

52237NBL=BCDB1NBL6 Universal bobbin case fitted with NBL406 spring will fit all types of flat machines Brother,Singer,Juki. Towa brand made in Japan the best quality !!