The Oregon 581220 Duoline Trimmer Line is a high-performance, professional-grade cutting line designed for demanding landscaping and gardening tasks. Featuring a dual-material construction, this line offers superior durability and cutting efficiency. The outer layer provides excellent abrasion resistance, while the inner core ensures high tensile strength, reducing breakage and improving longevity. With a diameter of 4.0mm and a length of 64 meters, it is suitable for a wide range of brushcutters and trimmers, providing reliable performance for tough vegetation.