Guaranteed to fit Babylock sewing machine models:
Altair BLTA, Altair 2 BLTA2, Aventura BLMAV, BLAE Aerial, BLDY2 Destiny II, BLMA Meridian, BLMA2 Meridian 2, BLMAV2 Aventura II, BLMFO2 Flourish 2, BLPF Pathfinder, BLPY Spirit, BLSA Solaris, BLSA2 Solaris 2, Destiny BLDY, Ellageo BLL, Ellageo ESG, Ellageo Plus BLL2, Ellegante 2 BLG2, Ellegante 3 BLG3, Ellegante BLG, Ellisimo BLSO, Ellisimo Gold BLSOG, Ellisimo Gold II BLSOG2, Esante BLN, Flare BLMFL, Flourish BLMFO, Journey BLJY, Unity BLTY, Vesta BLMVE

Guaranteed to fit Brother sewing machine models:
4500D Duetta, DreamWeaver XE VM6200D, Innov-is 1500D (NV1500D), Innov-is 2500D (NV2500D), Innov-is 2800D (NV2800D), Innov-is 4000D (NV4000D), Innov-is NQ1600E, Innov-is NQ1700E, Innov-is NQ3600D, NQ1400E Innov-is, Quattro 3 Innov-is 6750D, Quattro NV6000D, ULT2001, VM5200, XV8500D THE Dream Machine

Alternate Part Numbers: SA437