Low in store inventory, may be subject to change
Singer models 600, 603, 604, 620, 625, 626, 628, 629, 630, 635, 636, 638, 639, 640, 645, 646, 648, 649, 737, 750, 758, 755, 756, 770, 775, 778, 1000G,1040G, 1060, 1411N, 1411U, 1425N, 1425U Outside diameter: 27.4mm Height: 7.1mm Axis diameter 2.2mm