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 design reduces drag for more efficient cutting. Features an auto-feed system that simplifies replacement and eliminates the need for hand-winding. 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 quick spool changes, saving time and effort. Precautions: Wear safety goggles and long pants when using this product to protect against flying debris. This replacement spool is intended for light-duty use on young 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. Snap 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: Light reflection and display settings may cause slight color variation between the image and actual item. Measurement may vary by +/- 1-3 cm.