Compatible Models: Spool model F016800569/F016800385. Compatible with Bosch EasyGrassCut 23, EasyGrassCut 26, EasyGrassCut 18, 18-230, 18-260, and 18-26. High Quality: ABS spool and durable polyamide nylon line provide flexibility and reliable performance. Aerodynamic design reduces drag for more efficient cutting. Features an auto-feed system that simplifies spool replacement, eliminating the need for hand-winding. Size: Trimmer spool line diameter is 0.065 inch, designed to fit the line hole precisely. Spool line length is 16 feet, offering extended mowing range. Easy to Use and Install: Remove the cap cover and replace the spool quickly with automatic winding technology, saving time and effort. Precautions: Always wear safety goggles and long pants when operating the trimmer to protect against flying debris. This replacement spool is intended for use on young, light grass only. For thick or tough weeds, use a more suitable tool. Installation Instructions: 1. Turn off the trimmer and remove the spool cap. 2. Insert the new spool into the head. 3. Guide the line into the slot and align with the retainer. 4. Reattach the cap securely. Color: Black Material: ABS, Nylon Package Contents: 8 x Trimmer Replacement Spools (spools only; other items not included) Note: Lighting and display settings may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm.