Singer Featherweight 221 Sewing Machine, AJ136*** qp ) This collar / bushing

)  This collar / bushing will only work if the threaded post measures 1/2"

In other words

42 blocks per pad

it will also fit the smaller thread spools

Singer Featherweight 221 Sewing Machine, AJ136*** qp ) This collar / bushingWe are very excited to add this lovely Featherweight 221 to the site. Completely serviced, cleaned, polished, electrically inspected, timed, tuned, and sampled rest assured, this Featherweight 221 will be ready to sew right out of the case. This machine is fitted with an original 110 volt motor that has been rewound to work at optimum speed and torque, so you can plug it in and begin sewing with effortless power. This machine also has its original