Compatible Models: Spool model F016800569/F016800385, compatible with Bosch EasyGrassCut 23, EasyGrassCut 26, EasyGrassCut 18, 18-230, 18-260, 18-26. ABS spool and durable polyamide nylon line, flexible. Aerodynamic shape allows less drag for more efficient cutting. Features an auto-feed system that simplifies replacement and eliminates hand-winding. Grass trimmer spool line diameter is 0.065 inch, designed to fit the line hole perfectly. Spool line length is 16 feet, providing a wider mowing range. 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 using this product to avoid injury from flying debris. This replacement spool is intended for light-duty use on young grass only. For thick or tough weeds, use appropriate trimming tools. Installation Instructions: 1. Turn off the trimmer and remove the spool cap. 2. Insert the new spool into the head. 3. Snap the line into the slot and align it 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: Lighting and display settings may cause slight color variations between the image and the actual product. Measurement tolerance is +/- 1-3 cm.