Compatible Models: Spool model F016800569/F016800385, compatible with Bosch EasyGrassCut 23, EasyGrassCut 26, EasyGrassCut 18, 18-230, 18-260, 18-26. High Quality: ABS spool and durable polyamide nylon line, flexible. Aerodynamic design reduces drag for more efficient cutting. Features an auto-feed system that simplifies replacement and eliminates hand-winding. Size: Trimmer spool line diameter 0.065 inch, fits line hole precisely. Spool line length 16 ft provides extended mowing coverage. Easy to Use and Install: Remove the cap cover. Automatic winding enables quick spool changes, saving time and effort. Precautions: Wear safety goggles and long pants when operating to prevent injury from flying debris. This replacement spool is intended for use on young grass only. For thick or tough weeds, use alternative cutting tools. Installation Instructions: 1. Turn off the trimmer and remove the spool cap. 2. Insert the new spool. 3. Guide the line 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: Lighting and display settings may cause slight color variations between the image and the actual item. Measurement tolerance: +/- 1-3 cm.