Singer Concerto Self Wind Bobbins - Pack of 2
2 bobbins with small spring loaded pin in the middle for SELECTED Singer machines where the machine winds thread onto the bobbin whilst in position.
Suitable for:
Singer Concerto 9217, 9224, 9240
Singer Symphonie (Old Type)
Singer Sapphire
Singer Harmonie
6235, 6237, 6257, 6266, 6267, 6268, 9137, 9140, 9143
