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 cuts. With the auto feed system, the replacement spool simplifies the process of winding. Size: 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 for Use: Wear safety goggles and long pants when using this product to avoid injury from flying debris. This cordless weed eater spool refill is suitable only for young grass. Use other tools for strong weeds. Easy to Install: 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 it with the retainer. 4. Replace the cap. Color: Black Material: ABS, Nylon Package Contents: 8 x Trimmer Replacement Spool Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product. Measurement may vary by +/- 1-3 cm.