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Fits very early 1933/1934 Featherweight 221 models with the oval screw-hole gib hook style hook assemblies.
The most common cause for a seized machine is thread caught and often hidden behind the bobbin case base. Do not force the machine or severe, costly damage will occur to the hook assembly. This tool is designed to be used with universal application on very early Singer 221 hook assemblies (see photos for details). The new Thread Jam Removal Tool makes disentangling a thread jam very easy, and it can all be done without taking the hook assembly apart!
Instructions are as follows:
If you are looking for the Common Thread Jam Tool click here.
NOTE: Because this is a tool to be used, the Thread Jam Tool is not returnable.