10 Best String Trimmer Lines & Spools 2026

If you're looking for the perfect replacement string trimmer line, you've come to the right place. We've put together a list of the top ten string trimmer lines & spools on the market, ranging from a 7.4 score up to a 9.6 score. Our top pick is the BLACK+DECKER Weed Eater Spool, Trimmer Line, 3-Pack. This 0.065-Inch diameter line provides 30 feet of replacement spool, ensuring that you won't run out of line mid-task. The Black+Decker brand is known for its high-quality products, and this spool is no exception. Trust us, once you try this spool, you'll never go back to your old one. Keep your yard looking pristine with ease by investing in this top-rated trimmer line.