New replacement needle clamp.
Fits Singer models: 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