Designed to integrate seamlessly with single-line automatic feeding systems, ensuring a perfect match with your garden equipment. [Sturdy Construction] These spools are made of high-quality ABS, which is both durable and flexible, This structure reduces the possibility of breakage during use, providing a reliable and long-lasting trimming experience. [Easy Installation] These auto feed replacement spools are designed for easy installation, no tools required, Simply insert manually and continue with your landscaping job, saving time and the annoyance of manual winding. [Best Performance] These spools are pre-wound by the factory to prevent tangling and ensure smooth operation, helping to maintain the efficiency of your weed eater. They are ideal for replacing old spools, helping you handle yard work more efficiently.<br><br>Colour:As Shown Material:ABS<br><br>Package Contents: 5 * Lawn mower accessories<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.