Case Key, Singer Featherweight 221 (Vintage Original) notions This tension unit piece (part

This tension unit piece (part 45863) regulates the slack produce by the take-up spring

it appeared that a couple small areas were touched up with a fairly close paint color match

allowing the thread to flow smoothly from your table setup:

It adds one more touch of professionalism to a hand-made garment

Case Key, Singer Featherweight 221 (Vintage Original) notions This tension unit piece (partThis is an original key for a Singer Featherweight 221 and 221K case and will fit most case styles. Be sure to view the lock and compare the opening with the key inserted. If you need help identifying if this is the key you need, click the tutorial tab to view the history of the different style of cases and their style of unique keys. Watch video tutorial for more information. *This key is not the style for the green case suited for the White