Compatible Models: Spool model F016800569/F016800385; compatible with Bosch EasyGrassCut 23, EasyGrassCut 26, EasyGrassCut 18, 18-230, 18-260, and 18-26. High Quality: ABS spool with durable polyamide nylon line; flexible design. Aerodynamic shape reduces drag for more efficient cutting. Features an auto-feed system that simplifies replacement and eliminates hand-winding. Size: Trimmer spool line diameter is 0.065 inch, designed to fit the line hole precisely. Spool line length is 16 feet, providing extended mowing range. Easy to Use and Install: No cap cover required. Automatic winding enables quick spool changes, saving time and effort. Precautions for Use: Wear safety goggles and long pants when operating to protect against flying debris. This replacement spool is intended for use on young grass only. For thick or tough weeds, use a different cutting 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: The package includes only the items listed above. Other accessories are not included. Lighting conditions and display settings may cause slight color variations between the product image and the actual item. Measurement error allowance is +/- 1-3 cm.