Stitch length lever for Singer 600 series Touch-N-Sew machines.
Will fit models 600, 620, 625, 626, 628, 629, 630, 635, 638, 639, 640E, 640E3, 645, 645E3, 645E6, 645E7, 640 Touch & Sew, 646, 646E3, 646E6, 646E7, 648, 6448E3, 648E6, 648E7, 649, 649E3, 649E6, 649E7
Part # 163950