Guaranteed to fit Babylock sewing machine models:
Altair BLTA, Altair 2 BLTA2, BL510A Jane, BL520B Accomplish, BL530B Accomplish 2, BLDY2 Destiny II, BLMA Meridian, BLMA2 Meridian 2, BLPF Pathfinder, BLSA Solaris, BMV10 Valiant (BMV10-ENT), BNAL Alliance, Crafter's Choice BLCC2, Decorator's Choice BLDC2, Destiny BLDY, Elizabeth BL200A, Ellageo BLL, Ellageo Plus BLL2, Ellegante 2 BLG2, Ellegante 2 Signature BLG2-NZ, Ellegante BLG, Ellisimo Gold II BLSOG2, Ellure BLR, Ellure Plus BLR2, Ellure Plus BLR3, Emore BLMR, Esante BLN, Journey BLJY, Melody BLMY, Quilter's Choice BLQC2, Rachel BL50A, Tempo BLTP, Unity BLTY

Guaranteed to fit Brother sewing machine models:
4750D Duetta 2 (NV4750D), BM-2700, BM-3600, BM2700AS, BM3500T, CE1100PRW, CE4400, CE7070PRW, CS-80, CS-8000, CS-8060, CS-8080, CS-8120, CS-8150, CS6000B, CS8070, CS8100, CS8130, CS8800PRW, Comfort 25A, Comfort 35A, DZ1500F, Designio DZ2400, Designio DZ820E, HE-120PKG, HE120, HQ-33, HQ17, HQ27, Innov-is 1000 (NV1000), Innov-is 1200 (NV1200), Innov-is 1250D (NV1250D), Innov-is 200 (NV200), Innov-is 2500D (NV2500D), Innov-is 2800D (NV2800D), Innov-is 350SE (NV350SE), Innov-is 400 (NV400), Innov-is 500 (NV500), Innov-is 500D (NV500D), Innov-is 600 (NV600), Innov-is 700E (NV700E), Innov-is 750E (NV750E), Innov-is 780D (NV780D), Innov-is NX650, L-15, L25, L30, L35, L40, LS-40, LS-590, Laura Ashley Innov-is NX800, NC21-S2, NC21-S3, NC21-SE, NV770, NX-250, NX-400, NX-450, NX-600, NX200, NX450Q, PC-210, PC-210PRW, PC-420, PC-420PRW, PE-770, PE525, PE700, PE700II, PE750D Innov-is, PE780D, PX-100, PX-300, PX200, Pacesetter PS21, QC-1000, SB129, SB7500 Simplicity, SB7900E Simplicity, SE-270D, SE425, SQ9185, VE2200 Dream Maker, XL-2600i, XL-2610, XL-3600, XL-3750, XL2600, XL2630, XL2650H, XL3500i, XL3500t, XL3750FS

Guaranteed to fit Simplicity sewing machine models:
SB7500