Feature 1Perfect fit: Compatible with for F016800569 mower trimmers, this replacement line spool is designed to replace the original line spool. 2PRELOADED STRING: Our line spool adopts pre loaded line which is good to use, eliminating the need for manual winding and saving you valuable time. 3NYLON MATERIALS: Each line spool is pre wound with durable, high strength nylon thread for long lasting performance. 4EFFICIENT CUTTING: The flexible trimmer line spool allows the line to stretch and cushion on hard surfaces, increasing cutting efficiency by 50% and effectively trimming weeds. 5SIMPLE INSTALLATION: Our trimmer spool kit includes a cap for easy installation and removal, making it a hassle free replacement option.Item Type: Trimmer spool lineMaterial: NylonWeight: Approx. 180g / 6.35ozSpool Diameter: 56mm / 2.2inSpool Width: 24mm / 0.94in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List6 x Spool1 x Cap