General description The Pack of 7 replacement spools of line for Ryobi One+ AC14RL3A brush cutters includes 6 spools of brush cutter line and 1 cover. These spools are designed for use with Ryobi ONE+ cordless brush cutter models: 18V, 24V, and 40V. Technical specifications Spool diameter: Ø 1.6mm Length per spool: 20.11m Tensile strength: over 100 lbs Material: superior quality polyamide nylon Usage The Ryobi replacement spool features an automatic feed system that utilizes centrifugal force for easy operation, eliminating the need for manual adjustments. For optimal performance, it is recommended to apply powder to the spool for lubrication, enhancing the automatic feed function. Other information Abrasion resistant and 30% stronger than other brands for longer life Soft and flexible design increases cutting efficiency by 50%