Sewing machine class 15 used salvage bobbin case with the hole in the finger for extra tension. Lot A2

Sewing machine class 15 right finger bobbin case with hole in finger for extra tension.

For all Japanese badge class 15 machines and singer 15 older machines that use the right finger bobbin case, keep in mind some Singer 15 machines use a left finger Bobbin case which is much harder to find.