... Shape:round, trigon, square,star,hexagon,heptagon,twist,saw blade Color: Any color Nylon Trimmer lineQuality Grade:Economic Grade ... requirements.Shape:round, trigon, square,star,hexagon,heptagon,twist,saw blade ,etcPacking:card head,loops/donut,blister card ,blister ... etc Feature:1,Suitable for most leading trimmers and brush cutters2,Outstanding impact toughness3,Ultra weld-resistant performance4, ...