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 design 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 line diameter 0.065 inch, fits line hole precisely. Spool line length 16 ft provides extended mowing range. Easy to Use and Install: No cap removal required. Automatic winding allows fast spool changes, saving time and effort. Precautions: Wear safety goggles and long pants when operating to protect against flying debris. This replacement spool is designed for light grass trimming. 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 with the retainer. 4. Replace the cap securely. Color: Black Material: ABS, Nylon Package Contents: 8 x Trimmer Replacement Spools Note: Lighting and display differences may cause slight color variations between the image and actual item. Measurement tolerance is +/- 1-3 cm.