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. Features an auto-feed system that eliminates the need for hand-winding. Size: Trimmer spool line diameter 0.065 inch, fits line hole precisely. Spool line length 16 feet provides extended mowing range. Easy to Use and Install: Remove the cap cover. Automatic winding enables quick spool replacement, saving time and effort. Precautions: Wear safety goggles and long pants during use to prevent injury from flying debris. This replacement spool is intended for use on young, t grass only. For thick or woody weeds, use alternative cutting 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: Only the listed items are included. Lighting and display differences may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm.