4 lows of the singer brand, in plastic, sold under blister.
This article is suitable for sewing machines from the following brand:
247, 257, Prima, Magic, Mélodie, Rhapsodie 3000, Concerto 1, Serenade 10, Style, Chantal Thomas, Neptune, beginner, so easy, Harmonie 100, Europa 100, Samba, Rivage, HD110, CG590.