Motor Pulley, Singer Featherweight 221K 221K7, 221J (New) mechanics The rubber molded plug that

The rubber molded plug that goes into the machine can have a very firm grip as it is pushed into the machine

Remove the belt from around the motor pulley and handwheel and replace it with the new belt in the same manner

You can see how this is done in the photos above

As you'll see in the photographs

it's the quality replacement belt the Singer Featherweight has been waiting for

Motor Pulley, Singer Featherweight 221K 221K7, 221J (New) mechanics The rubber molded plug thatFashioned after the original bakelite motor pulley, only this plastic replica will not crack or break. Shaped correctly, it is perfectly suited for some of those Featherweight motors that originally had this style. Among those would have been the White Singer Featherweight 221K, the 222K free arm Featherweight (if it still has the original 220 volt motor), some black Featherweight 221K models and even the tan Featherweight has this style motor pulley.