Compatible Trimmer Model: Bosch Universal GrassCut 18, Universal GrassCut 18-26, Universal GrassCut 18-260 grass trimmer. Spool Model: F016800570. String Trimmer Replacement Spools 6m long, 1.6mm in diameter. Spool cover cap model: 1600A01R5J. Premium Material: High-quality nylon cord, durable and efficient for cutting grass. Flexible and strong, allowing the line to stretch and absorb impact on hard surfaces. Excellent Workmanship: Professionally wound using CNC cutting and automatic winding technology, ensuring safer and more time-saving operation compared to manual winding. Reduces damage to the trimmer and prevents clogging during mowing. Precaution: Always wear protective goggles and long clothing when using this product to avoid injury from flying debris. Remove the power source before installing, replacing, or removing accessories. Specification: Material: Nylon. Size: 6m long, 1.6mm diameter. Trimmer Spool Model: F016800570. Trimmer Cover Cap Model: 1600A01R5J. Compatible with Bosch Trimmer Models: Bosch Universal GrassCut 18, Universal GrassCut 18-26, Universal GrassCut 18-260. Features: Increases edging life up to 25% compared to standard conditions. Pliable and flexible design allows line to stretch and cushion upon impact. Aerodynamic shape reduces drag for more efficient cutting. Autofeed grass trimmer spool eliminates the need for hand-winding. Package Includes: Spools and cap as shown in picture. Our products are made with high-quality materials designed to deliver reliable performance. We aim to ship all orders within three business days. Estimated delivery time is 815 days. Please review product dimensions and specifications in the title and description to ensure compatibility. For any questions or concerns, feel free to . Were committed to your satisfaction. Thank you for choosing our product.