Stud Retaining Spring, Singer #240245
Guaranteed to fit Singer Sewing Machine Models:
111G, 111W, 111W152, 111W153, 111W155, 211G, 211W, 510K110, 510K111, 600W1, 300W101, 300W105, 300W124, 300W205, 300W305, 300W405,410W9, 411U157A, 411U157J, 411U157K, 411U557A, 411U557J, 411U557K