Size of bobbin winder ring:Please note the size of the product! Outer diameter 30mm or 37mm sewing machine ring bobbin winder.
Easy to use:It is a necessary spare part for sewing machines
Wide range of applications] Flexible, suitable for old pedal sewing machines and JA type sewing machines
High Quality Material:The rubber ring of the winder is made of high quality rubber material.
Easy Installation:This sewing machine ring is easy to install and remove, the old one can be replaced easily