General description Pack of 11 replacement spools for Ryobi One 18V, 24V, and 40V lawnmowers, featuring a 2.0 mm thick line and a length of 3.4 m. This upgrade ensures a high-quality cutting experience with improved efficiency. Technical specifications Line thickness: 2.0 mm Line length: 3.4 m Package content: 9 replacement spools and 2 caps Compatibility and accessories Compatible with various Ryobi One+ trimmer models: 18V, 24V, and 40V. Usage The spiral air cutting design enhances the efficiency of the spools, making weeding easier. The auto feed system allows for quick spool changes, eliminating wasted time on manual winding.