COMPATIBILIDADES
Singer 401, 403, 404, 411, 431, 500, 503, 600, 603, 604, 609, 620, 625, 626, 628, 629, 630, 630E, 631, 635, 635E, 636, 638, 639, 640 Touch & Sew, 640E, 640E3, 645, 645E3, 645E6, 645E7, 646, 646E3, 646E6, 646E7, 648, 648E, 648E3, 648E6, 648E7, 649, 649E3, 649E6, 649E7.
