... . Shape: Round, Square, Star, Heptagon, Square twist, Ellipse twist, Beads, Dual power. Nylon trimmer LineDiameter: 1.3-5.0mm.Shape: Round, Square ... , Star, Heptagon, Square twist, Ellipse twist, Beads, Dual power.Nylon trimmer lineFits all standard trimmer headLess vibration.A quality ...