(6) Long Bobbins - Singer Part # 8228
These six metal long bobbins have a total length of 33 mm and an axis diameter of 2.5mm. Part # 8228 is compatible with Singer Models 27, 127, 28, and 128.
Please note- Sometimes these will not work well in the bobbin winder. Normally always work well in the shuttle. These are the only new long bobbins available.