For Singer models 1000G, 1021, 1022, 1247, 1263, 1280, 1288, 1730, 1800 series, 240 series, 250 series, 247AP, 288, 2100 series, 2302, 2303, 2304, 2315, 2330, 2430, 2440, 2500, 2502, 2950, 350 series, 360 series, 3001, 3002, 3003, 3004, 3005, 3011, 3012, 3013, 3014, 3015, 3100 series, 3270, 3314, 3317, 3343, 413, 413K13, 416, 417, 418, 4001, 4005, 4006, 4009, 4012, 4015, 4016, 4019, 4022, 4325, 4522, 4525, 4526, 4528, 4530, 4538, 4620, 4830, 4832, 495 Scarlett, 502, 507, 509, 513, 514, 518, 522, 527, 533, 534, 538, 560, 5017, 5028, 5040, 5050, 5417, 5430, 5502, 5504, 5508, 5522, 5528, 5705, 5710, 57817, 57820, 57825, 5805, 5806, 5808, 5810, 5812, 5814, 5816, 5818, 5825, 5830, 5838, 6012, 6100 series, 6201, 6202, 6211, 6212, 6215, 6217, 6305, 6310, 6314, 6318, 6548, 6700 series, 6800 series, 714, 717, 719, 724 for apollo type hook, 734, 737, 758, 774 for apollo type hook, 775, 776 for apollo type hook, 778, 7100 series, 7211, 7212, 800 series, 8019, 8220, 8500, 8600, 8734, 8834, 900 series, 935U, 9500, 9600, 9800, CG550, CG590, with 792 type cord (same as 619494-002 and 979314-031) add model 2517C