Silk Finish 50wt Cotton Thread 2000yd/1829M Black
Singer20U13, 20U31, 20U33 White 305, 510 690 710 4000, 5000, 5500 Riccar 414, 500, 515, 555FA, 572, 616FA, 805, 806, 807, 808E, 888,906e, 2600, 2800, 2900, 2950 3300, 3400, 3500, 3600, 4001, 4003, 8400, 8500, 9150, 9600, 9700, 9800, 9900, R750, RE571 RE581, RE591, RM570 NOTE: Without backlash is item JO1313Z2