Guaranteed to fit Babylock sewing machine models:
Molly BL30A

Guaranteed to fit Elna sewing machine models:
eXcellence 782, 520 eXperience, 5200, 5300, 540 eXperience, eXcellence 780+, eXpressive 900, eXplore 320, eXplore 340, eXpressive 920, eXperience 540s, eXperience 520s

Guaranteed to fit Janome sewing machine models:
4018ME, 4123 My Excel, 415, 419S, 423S, 521, 525S, 653, 659, DC4030, DC4030PR, HF3000, Horizon Memory Craft 12000, Horizon Memory Craft 14000, Horizon Memory Craft 15000, MC15000V3 Quilt Maker, Magnolia 7318, Magnolia 7325, ME4014, Memory Craft 2400, Memory Craft 3000, Memory Craft 3500, Memory Craft 4000, Memory Craft 4400, Memory Craft 5200, Memory Craft 9410QC, MO200, MS5027PR, NH2014, Schoolmate S-7330, Sew Precise, Sewist 500, Sewist 509, Sewist 625E, Skyline S7, SM5030C, TB-30, Horizon Memory Craft 9400QCP, Memory Craft 9450QCP, Memory Craft 9480QCP, Skyline S9, 6021

Guaranteed to fit Kenmore sewing machine models:
384.18024000, 385.1584180, 385.16120, 385.16126, 385.16130, 385.16221300, 385.16231, 385.16520, 385.16524000, 385.16528000, 385.16530000, 385.1684180, 385.17026, 385.17124, 385.17126, 385.17324, 385.17626, 385.17628, 385.17641, 385.17824, 385.17826, 385.17828, 385.17922, 385.17928, 385.18230, 385.18630, 385.18830, 385.18836, 385.18841, 385.19030, 385.19150, 385.19153, 385.19157, 385.19365, 385.19601, 385.1960180, 385.19153690, 385.19150090, 385.19030790, 385.1884180, 385.18230790, 385.17824090, 385.1764180, 385.17124790, 385.18221800, 385.19365990, 385.16020100, 385.17026590, 385.17928090, 385.18630890, 385.17126690, 384.18028300, 385.17724490, 385.18836090, 385.17826690, 385.17828490, 385.17628890, 385.17626890, 385.17324990, 385.19157100, 385.1782480, 385.17922090, 385.18830490, 385.16120200, 385.16126200, 385.16130200, 385.16520000, 385.16231400

Guaranteed to fit Viking sewing machine models:
Huskystar 224, Huskystar 219