Compatible Models: 4 Pack Replacement Spools for 1.65mm 6m Trimmer Line F016800569 Nylon Line Spools and Trimmer Caps F016F05320, Grass Trimmer Line Spool for Bosch EasyGrassCut. Bosch Trimmer Line: You will receive a complete set including 4 line spools for Bosch trimmer model F016800569, as well as a replacement spool cover model F016F05320. Trimmer Line: Bosch trimmer line spools are made of Environmentally friendly ABS material, ensuring high strength and durability. The spool housing and cover are made of high-strength plastic, ensuring increased longevity and reliable use even under intensive working conditions. Bosch Trimmer Line: Designed for quick and easy installation, these Bosch trimmer replacement spools use centrifugal force and aerodynamics to reduce manual rewinding efforts. This allows for more efficient use and less time spent on tedious tasks, allowing you to focus on your work. Bosch Brushcutter Line: Based on aerodynamic principles, the design of these line spools