Bobbin Case, Elna, Janome #858570009

Guaranteed to fit Bernette sewing machine models:
B38

Guaranteed to fit Elna sewing machine models:
Elnita ec60, Elnita ef72, Lotus 2, eXcellence 580+, eXcellence 680, eXcellence 680+, eXcellence 710, eXcellence 720PRO, eXcellence 730PRO, eXcellence 760PRO, eXperience 530, eXperience 550, eXperience 560, eXperience 570 

Guaranteed to fit Janome (Newhome) sewing machine models:
5300QDC, 5300QDC-T, DC2015, Horizon Memory Craft 8900QCPSE, M7050, M7200, Memory Craft 6650, Memory Craft 6700P, Memory Craft 8200QCP SE, Sewist 780DC, Skyline S3, Skyline S5, Skyline S6

Guaranteed to fit Necchi sewing machine models:
EX100, EX60