Double Spool Lead-off 511113-456 - Singer" /> Singer double spool lead off fits Singer models 4530, 4552, 4572, 4600, 5705, 5710, 5812, 5814, 5816, 5818, 5825, 5830, 5838, 6038, 6200, 7028, 7037, 9005, 9008, 9010, 9410, 57825, CM17, FM17, FM22 and SM14. Allows second spool of thread for double needle sewing.