Plastic Spool Pin Press in - Singer Part # 172007
-New plastic spool pin press in style.
-Spool pins are 4.6 mm diameter x 44.6 mm length.
-Fits Singers Models 327, 328, 329, 337, 338, 347, 348, 401A, 403A, 404, 413K, 413K13, 416K, 418, 457, 466, 476, 477, 478, 502, 507, 509, 513, 514, 518, 522, 527, 533, 534, 538, 543, 6513 - 6548