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. Aerodynamic shape allows less drag for more efficient cutting. Features an auto-feed system that simplifies replacement and eliminates hand-winding. Size: Trimmer spool line diameter 0.065 inch, fits line hole perfectly. Spool line length 16 ft provides extended 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 intended for 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. 3. Snap the line into the slot and align with the retainer. 4. Replace the cap. 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 may vary by +/- 1-3 cm.