General description The 10 Packs 0.065 Inch String Trimmer Replacement Spool is designed for use with Ryobi cordless trimmers, specifically compatible with the Ryobi One + AC14RL3A model. This premium replacement spool line is made from high-quality ABS, ensuring durability and longevity. Technical specifications Length of spool: 11 feet Diameter: 0.065 inch Compatibility and accessories Compatible with Ryobi One + AC14RL3A Suitable for multiple models of Ryobi cordless trimmers: 18V, 24V, 40V Package includes: 8 packs of trimmer replacement line spools and 2 packs of replacement cap covers Usage The replacement spool features an aerodynamic shape that allows the line to stretch, absorb shocks on hard surfaces, and provide less resistance for more efficient cuts. The auto-feed mechanism utilizes centrifugal force to drive the cutting line as needed, making the process easier and more efficient.