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

2 bobbins / pkg

Outside diameter: 27.4mm - Height: 7.1mm - Axis diameter 2.2mm 

Transparent bobbins for 290, 1425, 600, & 700 class Athena Touch Tronic sewing machines.