Singer 401 403 404 sewing machine new two-pack of plastic spool pins and two thick red felts. Designed to replace yellowed or broken spool pins.

Upgrade your Singer 401, 403, or 404 sewing machine with this new two-pack of plastic spool pins and two thick red felts. Designed to replace yellowed or broken spool pins, these components enhance thread stability and prevent tangling, ensuring smoother, more efficient sewing operations.