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 eliminates the need for hand-winding, making spool replacement quick and easy. Size: Trimmer spool line diameter is 0.065 inch, designed to fit the line hole precisely. Each spool contains 16 feet of line, providing extended mowing range. Easy to Use and Install: No tools required. Automatic winding allows for fast spool changes, saving time and effort. Usage Precautions: Always wear safety goggles and long pants when operating the trimmer to protect against 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 into the head. 3. Snap the line into the slot and align it 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. Note: Lighting and monitor settings may cause slight variations in color between the image and the actual product. Measurement may vary by +/- 1-3 cm.