1. Compatible with: for F016800431 AFS 23-37 Brushcutter Line Spools. for F016800431 Line for AFS 23-37 Brushcutter 2. High-quality materials: Strong Trimmer Lines for AFS 23-37 Brushcutter, Made of high-quality materials, more durable. ABS spool and durable polyamide nylon line, flexible and long service life. 3. Size: Diameter: 3.5 mm. Length: 37 cm. Strong trimmer lines for AFS 23-37 brush cutter. 4. Easy to use, easy to install: simply remove the old line and replace it with a new line to complete the installation. Extra strong trimmer line for AFS 23-37 brush cutter - Brush cutter line F016800431 5. Package: 10 pieces. each 37 cm long and 3.5 mm in diameter. Strong trimmer lines for AFS 23-37 brush cutter for F016800431. 💡Note: Due to manual measurement, the size may have an error of 2 cm / 1 inch; Due to different screens and angles, the color and size may be slightly different, thank you for your understanding! Ugreat welcomes your purchase! We look forward to showing you your