Guaranteed to fit Juki sewing machine models:
AMB-187, AMB-188, AMS-205A, AMS-205C, AMS-206A, AMS-206C, AMS-206CGL, AMS-210D, AMS-210D-6460, AMS-215C, AMS-215P, AMS-220B, AMS-220C, AMS-220P, AMS-222B, AMS-224C, AMS-224P, AMS-345C, AVP-870, AVP-880, DDL-5570N, DDL-5580N, DDL-9000, DLN-415-4, DLU-490-4, DNU-1541, DNU-1541-7, LBH-1700, LH-1178, LH-1178-6, LH-2172, LH-2172-6, LH-2178, LH-2178-7, LH-3128, LH-3128-7, LH-3168, LH-3168-7, LH-3188, LH-3188-7, LK-1850, LK-1850C, LK-1851-55-BR20, LK-1851-555, LK-1903-BR25, LK-1903-BR35, LK-1903A, LK-1903A-BR35, LK-1910, LK-1920, LK-1930, LK-1941, LK-1942, LS-1340, LS-1341, LS-1342, LS-1342-7, LU-1502N-7, LU-1508H, LU-1508N, LU-1508NH, LU-1510, LU-1510-7, LU-1510N-7, LU-1510NA-7, LU-1560, LU-1560-7, LU-1560N, LU-1560N-7, LU-1565, LU-1565N, LZ-2280N-7, LZ-2290, LZ-2290-7, LZ-2290A-7, LZ-2290A-IP-100, LZ-2290A-SR-7, LZ-2290A-SR-7-IP-100, LZ-2290A-SR-7-SC-916, MB-372, MB-373, MB-373N, MB-373N-BR10, MB-377A, MB-377A-BR10, MBH-180, MH-481-4, MH-481-5, MH-484-S060, MH-484-S061, MH-486-4, MH-486-5, MO-6904C-0E6, MO-6914C-BE6, MOL-254, MP-200N, MS-1260, MS-1260-V045, MS-1261, MS-1261-V045, MS-1261M, PLC-1610, PLC-1610-7, PLC-1655, PLC-1660, PLC-1660-7, PLC-1660L, PLC-1690, PLC-1691, PLC-1710, PLC-1710-7, PLC-1760-7, PLC-1760L, PLC-2765

Guaranteed to fit Union Special sewing machine models:
SP151H429M032, SP151H430M032, SP151H829M032, SP151H829M040, SP151H830M032, SP151H830M040, SP161H829M032, SP161H829M040, SP161H830M032, SP161H830M040, SP161S400M032, SP161S400M032C, SP161S400M040C, SP161S400M048C, SP161S800M032, SP161S800M040, SP161S800M048C, SP161S900M032C, SP161S900M040C, SP161S900M048C, SP172S400HAC, SP172S400HBE, SP172S400MACC, SP172S800MAAC, SP172S800MACC, SP172S800MADC, SP172S800MBDC, SP172S900HAC, SP172S900HAD, SP172S900HAE, SP172S900HBD, SP172S900HBE, SP172S900MACC, SP172S900MADC, SP172S900MAEC, SP172S900MBDC