Suitable for Ryobi One+: Designed for Ryobi One+ cordless trimmers. Compatible with most Ryobi trimmers, including 18V, 24V and 40V trimmers. High-quality trimmer line: The 3.35 m long trimmer line allows for a wider cutting area with a diameter of 1.6 mm. The polyamide nylon line is durable and flexible. It does not break, ensuring continuous work. Fast and clean cutting: The replacement spool with automatic feed system facilitates the tedious work of manually wound spools. It uses centrifugal force and aerodynamics to reduce air resistance and achieve fast and clean cuts. Perfect replacement spool: They are perfect replacements for most original Ryobi spool models such as RAC125 and AC14RL3A. The spool can be inserted and removed without tools, and use is simple. At the same time, damage to the device is avoided and the line is used optimally. Affordable set: The package includes 6 replacement spools for grass trimmers and 1 replacement cap. The spool cap replaces the AC14HCA cap. Excellent value for money. Product description These line spools are fully compatible with most Ryobi One+ 18V 24V 40V trimmers. They are the perfect replacement for Ryobi RAC125 and AC14RL3A.