7mm Free Motion Low Tension Bobbin Case
Use with elna 2600 BLUE, elna 2800 BLUE, elna 3210, Elna 3230, elna 6001, elna 6003 Q, elna 6005 Heirloom Edition, Elna Star Edition, Elnita ec30, Elnita EC60, eXperience 450, eXperience 520, eXperience 520s, eXperience 540, eXperience 540s, eXperience 620, eXperience 660, eXplore 150, eXplore 160, eXplore 320, eXplore 340