Singer 221 or 301 guaranteed genuine sewing machine 6 pack of bobbins includes a free protective zipper bag. Lot C

The Singer 221 or 301 genuine sewing machine bobbins come in a convenient 6-pack, designed to ensure consistent thread tension and quality stitching. Each pack includes a free protective zipper bag for secure storage, enhancing organization and accessibility. Ideal for efficient sewing projects, these bobbins maintain compatibility with specified Singer machines for optimal performance.