Guaranteed to fit Babylock sewing machine models:
Allegro BLMAG, Altair BLTA, Altair 2 BLTA2, Amelia BL100A, Aria BLAR, Audrey BL67, Aventura BLMAV, BL15B Zest, BL220B Brilliant, BL6150, BL6200, BL6300, BL6600, BL6700, BL6800, BL7800, BL9, BLAE Aerial, BLBA Ballad, BLCH Chorus, BLDC, BLDY2 Destiny II, BLMAV2 Aventura II, BLMCC Accord, BLMFO2 Flourish 2, BLMJZ Jazz, BLMJZ-2 Jazz II, BLMPR Presto, BLMPR2 Presto II, BLMSP Soprano, BLPF Pathfinder, BLPY Spirit, BLQC, BLSA Solaris, BLSA2 Solaris 2, BLSA3 Solaris Vision, Bloom BLMBM, Crafter's Choice BLCC, Crafter's Choice BLCC2, Creative Pro BL37, Creative Pro BL40, Crescendo BLCR, Decorator's Choice BLDC2, Denim Pro BL16, Denim Pro BL18, Design Pro BL22, Design Pro BL23, Destiny BLDY, ESi, Elizabeth BL200A, Ellageo 3 ESG3, Ellageo BLL, Ellageo ESG, Ellageo ESG2, Ellageo Plus BLL2, Ellegante 2 BLG2, Ellegante 3 BLG3, Ellegante BLG, Ellisimo BLSO, Ellisimo Gold BLSOG, Ellisimo Gold II BLSOG2, Ellure BLR, Ellure ESL, Ellure Plus BLR2, Ellure Plus BLR3, Encore ESN, Esante BLN, Esante ESE, Esante ESE-2, Esante ESI2, Espire BLSR, Espire ESP, Flare BLMFL, Flourish BLMFO, Grace BL40A, Intrigue INT, Journey BLJY, Katherine BL210A, Lyric BLMLR, Maria BL23A, Melody BLMY, Natalie BL18A, PC-8200, Quilter's Choice BLQC2, Rachel BL50A, Sofia 2 BL137A2, Sofia BL137A, Symphony BLSY, Tempo BLTP, Unity BLTY, Verve BLMVR, Vesta BLMVE, Xscape BL66 

Guaranteed to fit Brother sewing machine models:
Innov-is 1500D (NV1500D), PC-6500, PC-8500, ULT2001, ULT2002D, XP1, XP2, XP3