Guaranteed to fit Babylock sewing machine models:
Altair BLTA, Altair 2 BLTA2, Anthem BLAN, Aria BLAR, Array BMY6, Aurora BLMAR, Aventura BLMAV, BL6300, BL80B Jubilant, BLBA Ballad, BLCH Chorus, BLDY2 Destiny II, BLMA Meridian, BLMA2 Meridian 2, BLMAV2 Aventura II, BLMBM, BLMCC Accord, BLPF Pathfinder, BLPY Spirit, BLSA Solaris, BLSA3 Solaris Vision, BMP6, BMP8, BMP9, BMV10 Valiant (BMV10-ENT), BMVT10, BNAL Alliance, Capella BMCAP, Creative Pro BL37, Creative Pro BL40, Decorator's Choice BLDC2, Destiny BLDY, Ellageo ESG, Ellageo Plus BLL2, Ellegante 2 BLG2, Ellegante 3 BLG3, Ellegante BLG, Ellisimo BLSO, Ellisimo Gold BLSOG, Ellisimo Gold II BLSOG2, Ellure BLR, Ellure Plus BLR2, Ellure Plus BLR3, Emore BLMR, Endurance BND9, Enterprise BNT10, Enterprise BNT10L, Esante BLN, Espire BLSR, Espire ESP, Flourish BLMFO, Grace BL40A, Intrigue INT, Melody BLMY, Quilter's Choice BLQC2, Quilter's Choice Pro BLQP, Rachel BL50A, Sofia 2 BL137A2, Sofia BL137A, Symphony BLSY, Unity BLTY, Verve BLMVR 

Guaranteed to fit Brother sewing machine models:
4750D Duetta 2 (NV4750D), BC-1000, BC-2100, BC-2300, BC-2500, BC2100WT, BM-2600, BM-2700, BM-3500, BM-3600, BM3500T, BP2100, BX2925PRW, CE-4000, CE-5000PRW, CE1100PRW, CE4400, CE5000, CE7070PRW, CE8080, CE8080PRW, CP6500, CP7500, CS-4000, CS-6000, CS5000H, CS5055PRW, CS6000B, CS7000H, CS8800PRW, CS9100, Comfort 25A, Comfort 35A, Comfort 40E, Comfort 60E, DS-120, DS-140, Designio DZ2400, Designio DZ820E, DreamWeaver VQ3000, ES-2000, ES-2020, ES2000T, ES2010, ES2400, ES2410, ES2420, Entrepreneur PR-650, FS40WT, HC1850, HE-240, HE120, HQ-33, HQ17, HQ27, HS-1000, HS-2000, HS-2500, HS-3000, HS9500, Innov-is 1000 (NV1000), Innov-is 1200 (NV1200), Innov-is 1500 (NV1500), Innov-is 2500D (NV2500D), Innov-is 2800D (NV2800D), Innov-is BQ2500, Innov-ís BQ3100, Innov-is 350SE (NV350SE), Innov-is 400 (NV400), Innov-is 4000 (NV4000), Innov-is 4000D (NV4000D), Innov-is 500 (NV500), Innov-is 500D (NV500D), Innov-is 600 (NV600), Innov-is 700E (NV700E), Innov-is 750D (NV750D), 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, JS50E, L25, L30, L35, L40, LB-6800, LB-6800PRW, LB6770PRW Project Runway, LS-590, LS400, Laura Ashley Innov-is NX800, MS4, Luminaire 2, NC21-SE, NQ1700E, NQ3700D, NS20, NS50, NV700EII, NX200, NX400 Innov-is, NX450Q, PC-420, PC-420PRW, PE-400D, PE-770, PE500, PE525, PE700, PE750D Innov-is, PE780D, PR-600, PR1000, PR1055X, PR600C, PR600IIC Innov-is, PR620 Innov-is, PR620C Innov-is, PR680W, QC-1000, Quattro NV6000D, RS240, RS250, RS260, SB7050E Simplicity, SB7500 Simplicity, SB7900E Simplicity, SC6600, SC9500, SE-270D, SE-350, SE-400, SE425, SM6500PRW, SQ-9000, SQ9050, SQ9185, Star 60, Star 65, Stellaire Innov-is XE1, ULT2003D, VE2200 Dream Maker, VQ2400 DreamCreator, XL2600, XL2630, XL2650H, XL3500i, XL3500t, XL3510T, XL3520, XL3700, XL3750FS, XL6600, XR1355, XR4040, XR6060, XR9500PRW