Singer replacement Bobbin Winder Springs Fits Model 101, 206, 306, 319
-New replacement bobbin winder release and return spring.
-Fits all Singers models 101, 206, 306, 319
-The return spring has a little longer tail then the original spring. This is easily cut to length. These are the only spring available for these models.
-Please note these will not work on the model 66 or 99.