4 Spools 1 Cap Bosch F016800570 Replacement Trimmer Spool For Bosch Universal Grasscut With Cap 1600A01R5J 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: 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: Professional CNC cutting and automatic winding provide safer and more efficient operation than manual winding, reduce damage to the grass trimmer, and prevent clogging during mowing. Precaution: When using this product, wear protective goggles and appropriate clothing to avoid injury from flying debris. Remove the power source before replacing, installing, 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 grass trimmer. Features: Increases edging life up to 25% compared to normal use and conditions. Pliable and flexible design allows the 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 with Cap as shown in picture.