• Constructed from durable polymer material in a serrated shape with extra mass • For bigger jobs and more frequent use • Cuts three times more area than residential lines • Edged line shape improves cutting performance • Durability for trimming around decks an • Polymer - Commercial Grade • Large Plastic Dispenser • Dia.Ins x Lgth.Ft.=0.155 x 75 • Approx. Refills=5