Singer Featherweight Bobbins 100pk 45785

This pack of 100 Metal Bobbins- Singer Part # 45785 has an outside diameter of 21.9mm and a height of 7.4mm. Their axis diameter is 6mm and they are compatible with Singer Models 221, 222 and 301, 301A, as well as Bernina Models 217 and 540. These bobbins are designed specifically for the Singer sewing machine model 221 featherweight and have a threading hole. With their superior quality, they are the top choice amongst featherweight enthusiasts