Efina Prewound Bobbin Size B Cotton

Designed specifically for Bernina machines, our Efina™ Pre-Wound Bobbins offer superior stitch quality and convenience. Each bobbin is pre-filled with 200 yards (183 meters) of Efina™ 60wt cottonized polyester, a fine yet strong thread that ensures smooth, even tension for precise stitching. Contains 5 bobbins. Image for color only. Product will be 5 prewound bobbins in the color thread shown.