Greenworks 5-Pack 0.095-in x 16-ft pre-cut trimmer line is a commercial-grade twisted cordless string trimmer line that outperforms other lines on the market. Pre-cut 16-ft coil refills for quick and convenient reloads. It delivers up to 15% longer runtime for cordless battery string trimmers. An aerodynamic twist shape reduces line resistance and vibration, keeping the trimmer from slowing down, using less battery energy allowing more cutting time. Engineered to deliver maximum durability and last 50% longer than residential trimmer line. That means cutting more with fewer stops to get the job done faster. Greenworks cordless battery string trimmers provide constant, fade-free power with battery-powered technology to provide gas-power equivalent performance without dangerous emissions, smells, hassles, or maintenance. With hassle-free, push-button starts, you'll get to work fast, with no priming, no choke, and no pull cord. Life. Powered by Greenworks. Compatible with all cordless battery brands and types of bump-feed heads using 0.095-in diameter lines Five (5) pre-measured and pre-cut 16-ft. coil refills for quick and convenient reloads Extreme durability and long-lasting Twist reduces line flutter, vibration, and fatigue to extend battery life Professional grade dual polymer for added strength Recommended for use with curved and straight shaft trimmers using 0.095 in. diameter line Designed to bring commercial-grade cutting power to all cordless battery string trimmers Factory wound for maximum reliability Used for trimming or edging grass Made in the USA