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. 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 for improved safety and efficiency. Reduces the risk of tangling and ensures smooth operation during use. Safety Precaution: Always wear protective eyewear and appropriate clothing when operating the trimmer to prevent injury. Disconnect power before installing, removing, or replacing accessories. Material: Nylon Size: 6 m long, 1.6 mm diameter Trimmer Spool Model: F016800570 Compatible with Bosch Trimmer Models: Bosch Universal GrassCut 18, Universal GrassCut 18-26, Universal GrassCut 18-260 Features: Extends 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 performance. Autofeed spool design eliminates the need for manual winding. Package Includes: Replacement spools as shown