HIR-HSH-21-40TR(S) | 514109 | Hirose Hook & Base ( Bobbin Case / Cap = 512551) for SINGER 211GX101 103 112 211 G665 666 212 G440 441 212GX45 101 103 107

SIN-52237NBL (G) | Bobbin Case with NBL Spring for many Single needle Lock stitch machines.

8603 | (replaces 8654) Bobbin case (Shuttle) for Singer 29K71 +73 - S-29A ,(made in Japan)

SIN-NBL-1303 | 417269 | MF01A0245 | NBL / brake spring for "M" Bobbin Case

SIN-173058 | Bobbin Case for Domestic Singer 306K 319K

SIN-52237 | Bobbin Case for plain machine