Hello Bill Mullen.
We are sorry to hear about this experience. Wearable parts only carry a 90-day warranty from the time of purchase. Trimmer spools are often considered consumable parts and are not typically covered under the standard warranty for the trimmer itself. This is because they are subject to wear and tear with normal use and need to be replaced periodically. A trimmer head might need replacement sooner than expected due to several factors, including bumping against hard surfaces, using incorrect trimmer line, or having a worn-out head. Over time, the head can become worn down, making it difficult to feed more line, especially when trimming thick grass or against hard surfaces. Additionally, using the wrong type or size of trimmer line, or letting the line get too short before bumping, can also contribute to head wear.
We hope you will find this information useful. If you require any additional support or have questions regarding a product, we recommend try our Q&A section on product's page or Chat with us direct on our website www.greenworkstools.com.

Hello Speedracer.
Thank you for choosing Greenworks Tools for you lawn care needs and for bringing your customer experience to our attention. Your feedback is valued, and continuous improvement is a priority. We would like to get in touch to ensure that your tool is operating up to our performance standards. We recommend contacting our customer support team for assistance with properly submitting a warranty claim. They can be reached either using the online chat function, on Greenworks Tools page, accessible by clicking “Chat with an Expert” in the bottom corner of your screen, Chat with a Live Agent I Monday - Friday: 9:30am – 5pm EST or by calling 1-888-909-6757 between 9AM and 7PM EST, M-F. So, our experts can discuss your experience; please have your unit, battery and charger with you along with the model and serial number to complete troubleshooting to ensure quick resolution is provided. *Hours are subject to change.