Guaranteed to fit Babylock sewing machine models:
BLSR-EB, Ellageo BLL, Ellageo Plus BLL2, Ellegante 2 BLG2, Ellegante 2 Signature BLG2-NZ, Ellegante 3 BLG3, Ellegante BLG, Esante BLN, Espire BLSR, Symphony BLSY

Guaranteed to fit Brother sewing machine models:
4500D Duetta, Innov-is 2500D (NV2500D), Innov-is 2800D (NV2800D), Innov-is 4000 (NV4000), Innov-is 4000D (NV4000D), NV4500D, Laura Ashley Innov-is NX2000, QC1000