General description This pack includes 6 trimmer line spools and 1 cover, designed specifically for Ryobi ONE+ cordless trimmers operating at 18V, 24V, and 40V. The automatic feed spool utilizes centrifugal force for easy operation, eliminating the hassle of manual line sorting. Made from upgraded nylon polyamide material, these spools are abrasion-resistant and boast a tensile strength of over 100 pounds, making them 30% more durable than other brands. Technical specifications Compatible with Ryobi ONE+ models: 18V, 24V, 40V Tensile strength: over 100 pounds Material: upgraded nylon polyamide Compatibility and accessories This trimmer line spool is compatible with the following Ryobi models: 18V: OLT1825, OLT1825M, OLT1830H, OLT1831, OLT1831H, OLT1831S, OLT1832, P2000, P2001, P2002, P2003, P2004, P2005, P2006, P2200, RLT1825, RLT1825Li, RLT1825LL13, RLT1825M13, RLT1830H13, RLT1830H15, RLT1830H25, RLT1830Li, RLT183113, RLT183115, RLT183125, RLT1831H20, RLT1831H25, RLT1831H25PK,