Description: Made of high quality material, durable in use, a ideal replacement feed gear set, this hook drive gear set fits for singer sewing machines. This 4 pcs hook drive gear set is perfect combination, all are necessary part for sewing machine, including 174491 large feed shaft gear, 174488 long feed drive gear, 163997 hook drive gear and 163328 hook gear. 174488 Long feed drive gear can be replaced with the following models:(153490, 313920 and 422408). suitable for Singer model: 1030, 1036, 1425, 1482, 1485, 1486, 1488, 1490, 1492, 2000, 2001, 2005, 2010, 2110, 2112, 2102, 2105, 2106, 2108, 2110, 2112, 2114, 2118, 2210, 2302, 2303, 2304, 2315, 2330, 2404, 2430, 2502, 2503, 2504, 2515, 2530, 2623, 2638, 2662, 2712, 2718, 2722, 2724, 2730,2732, 2950, 290, 500, 501, 502, 503, 507, 509, 510, 513, 514, 518, 522, 527, 530, 533, etc. 174491 Large feed shaft gear can be replaced with the following models:(177491, 422325). suitable for Singer model: 290, 495, 500, 501, 502, 503, 507, 509, 510, 513, 514, 518, 522, 527, 530, 533, 534, 538, 543, 553B, 554B, 714, 720, 724, 734 , 737, 740, 750, 755, 756, 758, 760, 763, 764, 770, 774, 775, 776, 778, 800, 813, 814, 830, 834, 838, 844, 900-3, 920-3, 925, 1021, 1022, 1030, 1036, 1221, 1425, 1482, 1485, 1486, 1488, 1490, 1492, 2000, 2001, 2005, 2010, 2102, 2105, 2106, 2108, etc. 163997 Hook drive gear is suitable for Singer model:417, 502, 518, 620, 625, 628, 629, 630, 630E, 635, 636, 638, 639, 640E, 646, 646, 648, 648E, 649, 714, 717 School, 719, 724, 734, 737, 750, 755, 756, 758, 770, 774, 775, 776, 778, 834, 900-3, 920-3, 925, 935U, 1036, 1200, 2000, 2001, 2005, 6704 and 6705. Specification: Material: Plastic Color: Black, White Size:2cm/0.79inch, 2.3cm/0.91inch, 2.5cm/0.98inch, 3cm/1.18inch Package Includes: 4 Pieces Singer Sewing Machine Gears