GEM Pre-wound Black Bobbin - 144 PCS In a Box

GEM Prewound Bobbin is a special type of Prewound bobbin for machine embroidery that does not have any core or sides. In contrast to manually wound bobbins or other types of Prewound bobbin, GEM Prewound Bobbin is manufactured with a unique Coreless Technology which offers superior quality, consistency & cost-effectiveness.