... Line Size:1.0mm---5.0mm Shape:round, trigon, square,star,hexagon,heptagon,twist,saw blade Color: Any color ... available upon clients' requirements.3. Shape: round, trigon, square,star,hexagon,heptagon,twist,saw blade ,etc4. Material: Nylon 65 ... leading trimmers and brush cutters2. Outstanding impact toughness3. Ultra weld-resistant performance4. Directional aerodynamics always presents the cutting blade ...