Thread Magic Thread Conditioner Square With CutterTaylor Seville #219867

Thread Magic Thread Conditioner Square with Cutter is perfect for making thread stronger for less breakage, less fraying and less tangling. Safe for all machines, it leaves no residue in machine or tension disks. Can be used for machine sewing or hand sewing and is acid free. The square comes with a no-lose lid for secure storage and safekeeping and a thread cutter for convenience.