Guaranteed to fit Babylock sewing machine models:
BLDY2 Destiny II, BLMCC Accord, BLPY Spirit, Ellageo BLL, Ellegante 2 BLG2, Ellegante BLG, Ellure Plus BLR2, Ellure Plus BLR3, Esante BLN, Flourish BLMFO, Imagine BLE1AT, Journey BLJY, BLSA2 Solaris 2, Unity BLTY, BLMAV2 Aventura II, BLSA Solaris, BLSA3 Solaris Vision, BLAE Aerial, BLPF Pathfinder

Guaranteed to fit Brother sewing machine models:
4500D Duetta, 4750D Duetta 2 (NV4750D), Innov-is XP2 Luminaire 2, Innov-is 1000 (NV1000), Innov-is 2500D (NV2500D), Innov-is 4000 (NV4000), Innov-is 4000D (NV4000D), Innov-is NQ3600D, JX1710, Quattro NV6000D, SE1800, SE1900, Stellaire Innov-is XE1, Stellaire Innov-is XJ1

Alternate Part Numbers: XC8450051, XF5048001