Compatible Models: Spool model F016800569/F016800385, compatible with EasyGrassCut 23, EasyGrassCut 26, EasyGrassCut 18, 18-230, 18-260, 18-26. High Quality: ABS spool and polyamide nylon line, flexible. Aerodynamic design reduces drag for more efficient cutting. Auto-feed system allows quick and easy spool replacement without hand-winding. Size: Grass trimmer spool line diameter 0.065 inch, fits line hole precisely. Spool line length 16 ft provides extended mowing range. Easy to Use and Install: Remove the cap cover. Automatic winding enables fast spool changes, saving time and effort. Precautions for Use: Wear safety goggles and long pants when operating to protect against flying debris. This replacement spool is designed for light-duty use on young grass only. For thick or tough weeds, use alternative trimming tools. Installation Instructions: 1. Turn off the trimmer and remove the spool cap. 2. Insert the new spool into the head. 3. Snap into the slot and align with the retainer. 4. Replace the cap securely. Color: Black Material: ABS, Nylon Package Contents: 8 x Trimmer Replacement Spools Note: The package includes only the items listed above. Other accessories are not included. Note: Screen display settings and lighting may cause slight color variations between the image and the actual product. Measurement tolerance is +/- 1-3 cm.