36 Singer sewing machine bobbins, sewing accessories, sewing bobbins, transparent sewing machine bobbins with storage box, high-quality universal plastic bobbins--BIEMMEDUE

General description: These transparent sewing bobbins are suitable for most household sewing machines. They are made of high-quality, robust plastic, are durable and reusable. Thanks to their transparency, the thread color is clearly visible. Technical data: Diameter: 20 mm; Height: 11 mm; Center hole: 6 mm. Compatibility and accessories: Compatible with sewing machines with a standard 6 mm bobbin hole. Contains 36 bobbins and a transparent storage box. Further information