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 cuts. Auto feed system enables easy replacement without hand-winding. Grass trimmer spool line diameter 0.065 inch, fits line hole perfectly. Spool line length 16 ft provides a wider mowing range. Easy to use and install: Remove the cap cover. Automatic winding allows 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 suitable for light grass trimming only. For thick weeds, use alternative 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 with the retainer. 4. Replace the cap securely. Color: Black Material: ABS, Nylon Package Contents: 8 x Trimmer Replacement Spools Note: Light shooting and different displays may cause slight color variations between the image and actual item. Measurement error allowed is +/- 1-3 cm.