Bobbin Winder Hook Driver - Singer Part # 163246
-New replacement bobbin winder, hook driver.
-Fits Singer models 635, 636, 638, 639, 640E3, 645, 646, 648, 649, 737, 750, 755, 756, 758, 770, 775, 778,1000G, 1040G, 1060, 1411, 1411U, 1411W, 1425N, 1425U,
-Part # 163246
