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 design. Aerodynamic shape 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 0.065 inch, fits line hole perfectly. Spool line length 16 feet provides extended mowing range. Easy to Use and Install: Remove the cap cover. Automatic winding allows quick spool changes, saving time and effort. Precautions for Use: Wear safety goggles and long pants when operating to avoid injury from flying debris. This cordless weed eater spool refill is intended for light grass trimming only. For thick or woody 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 item and the image. Measurement error allowed is +/- 1-3 cm.