X75209001 - Upper Looper Brother 934D 834D - X75209001

guaranteed to fit brother serger models:
640d, 730, 730d, 730de, 760, 760d, 760de, 900d, 920, 920d, 934, 934d, pl1050, pl1500, pl1600, pl2000, pl950guaranteed to fit husqvarna viking serger machine models:
1000, 1000l, 560, 560ed, 560edt, 650, 660cd, 700, 800, 900