Guaranteed to fit Babylock sewing machine models:
Altair BLTA, Altair 2 BLTA2, Aria BLAR, Aurora BLMAR, BLBA Ballad, BLCH Chorus, BLDY2 Destiny II, BLMA Meridian, BLMA2 Meridian 2, BLPF Pathfinder, BLPY Spirit, BLSA Solaris, BLSA2 Solaris 2, BLSA3 Solaris Vision, Crafter's Choice BLCC, Crafter's Choice BLCC2, Creative Pro BL40, Decorator's Choice BLDC2, Destiny BLDY, Elizabeth BL200A, Ellageo BLL, Ellageo Plus BLL2, Ellegante 2 BLG2, Ellegante 2 Signature BLG2-NZ, Ellegante 3 BLG3, Ellegante BLG, Ellisimo BLSO, Ellisimo Gold BLSOG, Ellisimo Gold II BLSOG2, Ellure BLR, Ellure Plus BLR2, Ellure Plus BLR3, Emore BLMR, Esante BLN, Espire BLSR, Espire ESP, Grace BL40A, Journey BLJY, Melody BLMY, Quilter's Choice BLQC2, Quilter's Choice Pro BLQP, Sofia 2 BL137A2, Sofia BL137A, Symphony BLSY, Tempo BLTP, Unity BLTY, Verve BLMVR

Guaranteed to fit Brother sewing machine models:
BQ2500, BQ3100, 4750D Duetta 2 (NV4750D), BP2100, Designio DZ820E, DreamWeaver VQ3000, HE-240, Innov-is 1000 (NV1000), Innov-is 1200 (NV1200), Innov-is 1250D (NV1250D), Innov-is 1500 (NV1500), Innov-is 200 (NV200), Innov-is 2500D (NV2500D), Innov-is 2800D (NV2800D), Innov-is 350SE (NV350SE), Innov-is 4000 (NV4000), Innov-is 600 (NV600), Innov-is 700E (NV700E), Innov-is 750E (NV750E), Innov-is 780D (NV780D), Innov-is 900 (NV900), Innov-is 900D (NV900D), Innov-is 950D (NV950D), Innov-is NX650, Innov-is V3, LB-6800, LB-6800PRW, LB6770PRW Project Runway, Laura Ashley Innov-is NX800, Innov-is XP2 Luminaire 2, NS50, NS80 (Innovis 80), NV10, NX-250, NX-400, NX-400 Pacesetter, NX-450, NX-600, NX200, NX200LE, NX400 Innov-is, NX450Q, PC-210, PC-210PRW, PC-420, PC-420PRW, PE-770, QC-1000, Quattro 2 (NV6700D), Quattro NV6000D, SB7050E Simplicity, SE-350, SE-400, Stellaire Innov-is XE1, VQ2400 DreamCreator