Nylon Trimmer Line Size:1.0mm---5.0mm Shape:round, trigon, square,star, ... , trigon, square,star,hexagon,heptagon,twist,saw blade ,etcPacking:card head,loops/donut,blister card ,blister packing, openly packing/ in bulk ... ,Added rigidity for improved cutting8,Accept OEM orders Nylon Trimmer Line