Thread Magic is the ultimate thread conditioner.
Safe for all machines, leaves no residue in machine or tension disks.
400% less thread drag and 400% less hand fatigue.
Makes thread stronger for less breakage, less fraying, and less tangling.
2 pieces to use on your sewing machine.
Peel off paper backing, apply cube to machine in front of thread spool.
Cube is approximately 1/2" x 1/2" x 3/8"