HONEYSEW Box Of 15 Bobbins Plastic For Singer 1425N 1425U 600E # 163131 BOBBINS #163131 15pcs bobbins163131 with box New, Non-OEM Replacement, High-Quality Outside diameter: 27.4mm - Height: 7.1mm - Axis diamter 2.2mm For Singer 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