Description
For Singer models 240 using bobbin case 172083, 252, 257, 258 277, 327, 328, 329, 337, 338, 347, 348, 413, 413K13, 416, 418, 457, 466, 476, 477, 478, 502, 507, 509, 522, 527, 513, 514, 518, 533, 534, 538, 560, 807, 814, 833, 834, 935U, 1021, 1022, 2404, 6500 series,
