Guaranteed to fit Juki sewing machine models:
ACF-164-1851, ACF-164-373N, AMB-187N, AMB-188, AMS-205A, AMS-205C, AMS-206A, AMS-206C, AMS-206CGL, AMS-210A, AMS-210b, AMS-210C, AMS-210D, AMS-210D-5000P, AMS-210E, AMS-210E-CO-20, AMS-210E-IP-400, AMS-212C, AMS-215C, AMS-215D, AMS-215D-5000P, AMS-215P, AMS-220B, AMS-220C, AMS-220P, AMS-221D, AMS-221D-5000P, AMS-221E-IP-410, AMS-222B, AMS-224C, AMS-224E-IP-410, AMS-224P, AMS-229B, AMS-309, AMS-343C, AMS-345C, AO-25A, AO-26A, APW-119, APW-139, ASN-1000, ASN-395, ASN-395T, ASN-397, AVP-870, AVP-875, AVP-880, DDL-5550-6, DDL-5550-7, DDL-5550N-3, DDL-5556N-7, DDL-5556N-7-WB, DDL-5570N, DDL-5580N, DDL-5600NJ-7, DDL-5600NL-7, DDL-5600NR-7, DDL-5600NU-7, DDL-8500, DDL-8500-7, DDL-8700, DDL-8700-7, DDL-9000, DDL-9000-A, DLD-5430N, DLD-5430N, DLD-5430N-7, DLM-5200, DLM-5200N, DLM-5210, DLM-5210N, DLN-415-4, DLN-5410N-7, DLN-5410NH-7, DLN-NJ-7, DLN-9010, DMN-5420-6, DMN-5420N-7, DNU-241H-6, DSC-245, DSC-245-4, DSC-245-5, DSC-245-6, DSU-245, DSU-145-5, DSU-145-5, DU-141H-4, DU-141H-5, LBH-1700, LBH-761, LBH-762, LBH-763, LBH-771, LBH-772, LBH-772NB-1, LBH-NV-1, LBH-773, LBH-773NB-1, LBH-773NV-1, LBH-774NB-1, LBH-774NV-1, LBH-781, LBH-781-K, LBH-782, LBH-782-K, LBH-NB, LBH-NV, LBH-784, LBH-784-K, LBH-784NB, LBH-784NV, LBH-791NK, LBH-791NK-1, LBH-791NS, LBH-791NS-1, LBH-791RS, LBH-791S-1, LBH-792NK, LBH-792NK-1, LBH-792NS, LBH-792NS-1, LBH-792RS, LBH-792S-1, LBH-793NK, LBH-793NK-1, LBH-793NS, LBH-793NS-1, LBH-793RS, LBH-796S-1, LBH-794NK, LBH-794NK-1, LBH-794NS, LBH-794NS-1, LBH-794RS, LBH-794S-1, LG-158, LG-158-1, LH-1152, LH-1152-4, LH-1152-5, LH-1152-6, LH-1152-7, LH-1162-5, LH-1172-4, LH-1172-5, LH-1172-6, LH-1178, LH-1178-6, LH-1182, LH-1182-4, LH-1182-5, LH-1182-6, LH-3128, LH-3128-7, LH-3168, LH-3168-7, LH-3188, LH-3188-7, LH-3528, LH-3528-7, LH-3568, LH-3568-7, LH-3578, LH-3578-7, LH-3588, LH-3588-7, LH-4128, LH-4128-7, LH-4168-7, LH-4188-7, LH-512, LH-515, LK-1850, LK-1850C, LK-1851-55-BR20, LK-1900, LK-1903A, LK-1903A-BR35, LK-1903-BR25, LK-1903-BR35, LK-1910, LK-1920, LK-1930, LK-1941, LK-1942, LK-1952, LK-1952-SC-6, LK-1953, LK-1953-SC-6, LK-1954, LK-1954-SC-6, LK-232, LK-322, LK-980, LK-981-555, LK-981-555-BR-2, LS-246-4, LT-1040-4, LT-1040-5, LT-594, LU-1114-4, LU-1114-5, LU-1114-5, LZ-2280N-7, LZ-2290A, LZ-2290A-7, LZ-2290A-SR-7, 2290A-IP-100, 2290A-SR-7-IP-100, 2290A-SR-7-SC-916, LZ-582, LZ-583, LZ-586, MB-1800, MB-1800-BR10, MB-1900, MB-372, MB-373, MB-373-BR1, MB-373N, MB-373N-BR10, MB-377A, MB-377A-BR10, MBH-180, MD-01, MD-02, MFM-860, MFM-870, MFM-880, MFM-890, MH-481-4, MH-481-5, MH-486-4, MH-486-5, MO-102, MO-103, MO-103N, MO-104, MO-114D, MO-1200QVP, MO-134, MO-1500G-T015, MO-1504G-OM6, MO-1514G-BD6, MO-1516G-FF6, MO-2300N, MO-2303, MO-2304, MO-2305, MO-2312, MO-2314, MO-2315, MO-2316, MO-2393N, MO-2400, MO-2400N, MO-2401N. MO-2402N, MO-2403N, MO-2404-0D4, MO-2404N, MO-2405N, MO-2414-BD4, MO-2415, MO-2416, MO-2416-50H, MO-2416-DD4, MO-2440, MO-2443, MO-2445, MO-2500, MO-2500N, MO-2502N, MO-2503N, MO-2504, MO-2504-0D4, MO-2504N, MO-2505N, MO-2514, MO-2514-BD4, MO-2515, MO-2516, MO-2516-50H, MO-2516-DD6, MO-2543, MO-2545, MO-3304E-0E4, MO-3314E-BE6, MO-3316E-DE4, MO-352, MO-353, MO-354, MO-355, MO-357, MO-358, MO-3604-0E4, MO-3614-BE6, MO-3616-DE4, MO-3704, MO-3704-OE4, MO-3714-BE6, MO-3716-DE4, MO-3904-0E4, MO-3914-BE6, MO-1916-DE4, MO-6000-LB-3, MO-6000-LB-4, MO-6104D-0E4, MO-6114D-BE6, MO-6116D-DE4, MO-6704D-0E4, MO-6704S-0E4, MO-6714D-BE6, MO-6714S-BE6, MO-6714S-DE4, MO-6716D-DE4,MO-6716S-DE4, MO-6904C-0E6, MO-6904G-0F6, MO-6904J-0F6, MO-6904R-0E4, MO-6904S-0E4, MO-6914C-BE6, 6914G-CH6, MO-6914J-CH6, MO-6914R-BE6, MO-6914S-BE6, MO-6916G-FH6, MO-6916J-FH6, MO-6916R-DE4, MO-6916S-DE4, MO-734DE, MO-735, MO-804, MO-804-0D4, MO-814, MO-814-BD4, MO-816, MO-816-DD4, MOC-3904-0E4, MOC-3914-BE6, MOF-3904-0E4, MOF-3914-BE6, MOG-2400N-SUBCLASSES, MOG-2403N, MOG-2404-0M6, MOG-2404N, MOG-2404N-0M6, MOG-2405N, MOG-2414-BH6, MOG-2414N, MOG-2414N-BH6, MOG-2415N, MOG-2416-FF6, MOG-2416N, MOG-2416N-FF6, MOG-2500N-SUBCLASSES, MOG-2503N, MOG-2504N, MOG-2504-OM6, MOG-2505N, MOG-2514-BH6, MOG-2514N, MOG-2515N, MOG-2516-FF6, MOG-2516N, MOG-3700-SUBCLASSES, MOG-3704, MOG-3714, MOG-3716, MOJ-2504N-OF6-600, MOJ-2514N-BH6-600, MOJ-2516N-FF6-600, MOJ-3904, MOJ-3914, MOJ-3916, MOK-2504N-OF6-600, MOK-2514N-BH6-600, MOK-2516N-FF6-600, MOL-254, MOR-2504, MOR-2504-0D4-300, MOR-2504N, MOR-2505N, MOR-2514, MOR-2514-BD4-307, MOR-2514N, MOR-2516, MOR-2516-DD4-300, MOR-2516N, MOR-2543, MOR-2543N, MOR-2545N, MOR-800 SERIES, MOR-800-T001C, MOR-800-T012C, MOR-814S-606, MOR-814S-BD4, MOR-814S-BD7, MOR-816-601, MOR-816-DD4, MOR-816-DF6, MOR-816-FF6, MOR-816-RH6, MOU-2504N, MOU-2512N, MOU-2514, MOU-2514-DD4-300, MOU-2514N, MOU-2516, MOU-2516-BD4-307, MOU-2516N, PGM-1, PLW-1245-4, PLW1245-6, PRO2000, S159, S160, S161, S162, SK2S, SK2B, SK2C, SK3A, SK3B, SK3C, TNU-243, TO32, TO34, TO40, TSC-461, TSH411, TSN-421, TSU-471

Guaranteed to fit Juki Union Special sewing machine models:
FS322C01, FS332C01, FS322E12, FS332E12, FS335E41, FS335E42, F5322H01, FS332H01, F5322L01, FS332L21, SP151H429M032, SP151H430M032, SP151H829M032, SP151H829M040, SP151H830M032, SP151H830M040, SP161H829M032, SP161H829M040, SP161H830M032, SP161H830M040, SP161S400M032, SP161S400M040C, SP161S400M048C, SP161S800M032, SP161S800M040, SP161S800M048C, SP161S900M032C, SP161S900M040C, SP161S900M048C, SP172S900M048C, SP172S2900HBE, SP172S400HAC, SP172S400HBE, SP172S800MAAC, SP172S800MACC, SP172S800MADC, SP172S800MBDC, SP172S900HAC, SP172S900HAD, SP172S900HAE, SP172S900HBD, SP172S900MACC