Product Description
Sewing Machine spool pin spring, red spool felt included. This spring slides over top of your spool pin, it helps to reduce spool rattle and backlash providing a smoother flow of thread. It is compatible with many older Singer models including the 221 and 222K Featherweight along with many other machines that have a steel spool pin including the 15, 66, 99, 127, 128, 201, 306, etc *Does NOT fit most plastic spool pins