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 & 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 fits line hole perfectly. Spool line length 16ft provides a wider range of mowing. Easy to use and Install: Remove a cap cover. Automatic winding allows you to complete spool changes quickly, saves you time and energy. Precautions for use: Wear safety goggles and long pants when using this product to avoid injury from flying debris. This cordless weed eater parts refill is only suitable for young grasses. For strong weeds, use other tools such as shears. Easy to Install: 1. Turn off the trimmer and remove the spool cap. 2. Replace the spool into the unit. 3. Snap the line in the slot and line it up with the retainer. 4. Cover the cap. Colour: Black. Material: ABS, Nylon. Package Contents: 8 x Trimmer Replacement Spool. Only the above package content is included, other products are not included. Note: Lighting and different displays may cause the color of the item in the picture to appear slightly different from the real thing. The measurement allowed error is +/- 1-3cm.