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 eases the tedious work of hand-winding spools. Size: Grass trimmer spool line diameter 0.065 inch to fit line hole perfectly. Spool line length 16ft provides a wider range of mowing. Easy to Use and Install: Remove the cap cover. Automatic winding allows quick spool changes, saving time and energy. Precautions for Use: Wear safety goggles and long pants when using this product to avoid injury from flying lines. This cordless weed eater parts refill is only suitable for young grasses. Use other tools for strong weeds. Easy to Install: 1. Turn off the trimmer and remove the spool cap. 2. Replace the 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 Only the above package content is included; other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to be slightly different from the real thing. Measurement allowed error is +/- 1-3cm.