General description The 18 Pack String Trimmer Line Spools are designed for compatibility with Black and Decker String Trimmers, specifically models A6481 and A6485. This pack includes 12 string trimmer lines, 3 covers, and 3 springs, providing everything you need for efficient lawn care. The automatic spool feed system allows for easy use, as it feeds the mower automatically through centrifugal force, eliminating the need for manual adjustments during operation. Technical specifications Compatible with Black and Decker Trimmers A6481 and A6485 Trimmer line diameter: 1.65 mm Tensile strength: over 100 pounds Pack includes: 12 string trimmer lines, 3 covers, 3 springs Usage The trimmer line is designed for effective cutting, being pliable and flexible. It can stretch and absorb impacts from hard surfaces, which enhances cutting efficiency by 50%, allowing each spool to tackle more weeds effectively. Other information The trimmer line is made from upgraded polyamide nylon, making it 30%