Guaranteed to fit Babylock sewing machine models:
Altair BLTA, Altair 2 BLTA2, Aria BLAR, BLBA Ballad, BLCH Chorus, BLDY2 Destiny II, BLMA Meridian, BLMA2 Meridian 2, BLPF Pathfinder, BLPY Spirit, Destiny BLDY, Ellageo BLL, Ellegante 2 BLG2, Ellegante 2 Signature BLG2-NZ, Ellegante BLG, Ellisimo BLSO, Ellisimo Gold BLSOG, Ellisimo Gold BLSOG-NZ, Ellisimo Gold II BLSOG2, Ellure BLR, Emore BLMR, Esante BLN, Espire BLSR, Espire ESP, Journey BLJY, Symphony BLSY, Unity BLTY

Guaranteed to fit Brother sewing machine models:
4750D Duetta 2 (NV4750D), BP2100, BQ2500, BQ3100, DreamWeaver VQ3000, Innov-is 1500 (NV1500), Innov-is 1500D (NV1500D), Innov-is 2500D (NV2500D), Innov-is 2800D (NV2800D), Innov-is 4000 (NV4000), Innov-is 4000D (NV4000D), Innov-is V3, Laura Ashley Innov-is NX2000, QC-1000, Quattro 2 (NV6700D), Quattro NV6000D, Stellaire Innov-is XE1, VE2200 Dream Maker